SIFYR / Sify Technologies Limited - Equity Right - SEC Filings, Annual Report, Proxy Statement

Sify Technologies Limited - Equity Right

Basic Stats
LEI 335800SEJMWAEEAXLR21
CIK 1094324
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Sify Technologies Limited - Equity Right
SEC Filings (Chronological Order)
This page provides a complete, chronological list of SEC Filings, excluding ownership filings which we provide elsewhere.
July 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

July 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

July 18, 2025 EX-99.1

Sify reports Consolidated Financial Results for Q1 FY 2025-26 Revenues of INR 10,723 Million. EBITDA of INR 2,111 Million. Loss for the period INR 389 Million.

EXHIBIT 99.1 For immediate release Chennai, India EARNING CALLS DETAILS July 18, 2025 | 8:30 AM ET | 06:00 PM IST Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access Code: 205616 On the call: Mr. Raju Vegesna, Chairman of the Board and Mr. M P Vijay Kumar, Executive Director & Group CFO Live webcast: https://www.webcaster4.com

July 16, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

July 16, 2025 EX-99.1

Sify Technologies Ltd. Announces Change of Depositary

EXHIBIT 99.1 For immediate release Sify Technologies Ltd. Announces Change of Depositary Chennai, India, July 16, 2025 — Sify Technologies Limited (NASDAQ: SIFY), India’s leading Digital ICT solutions provider with global service capabilities spanning Data Center, Cloud, Networks, Security and Digital services, announced that it has appointed JPMorgan Chase Bank, N.A. (“JPMorgan”) as the successor

July 11, 2025 EX-99.1

Sify Technologies Ltd. Regains Compliance with NASDAQ Listing Requirements

Exhibit 99.1 For immediate release Sify Technologies Ltd. Regains Compliance with NASDAQ Listing Requirements Chennai, India, July 10, 2025 — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions, received a letter (the “Notification Letter”) from the Listing Qualifications Department of the Nasdaq Stock Market (“Nasdaq

July 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

July 10, 2025 EX-99.(A)

TABLE OF CONTENTS

TABLE OF CONTENTS Page PARTIES 1 RECITALS 1 Section 1. Certain Definitions (a) ADR Register 1 (b) ADRs; Direct Registration ADRs 1 (c) ADS 2 (d) Beneficial Owner 2 (e) Commission 2 (f) Custodian 2 (g) Deliver, execute, issue et al. 2 (h) Delivery Order 2 (i) Deposited Securities 2 (j) Direct Registration System 3 (k) Holder 3 (l) Removal Notice Date 3 (m) Resignation Notice Date 3 (n) Securities A

July 10, 2025 EX-99.(D)

Ziegler, Ziegler & Associates LLP Counselors at Law 570 Lexington Avenue, Suite 2405 New York, New York 10022 (212) 319-7600 Telecopier (212) 319-7605 July 10, 2025

Ziegler, Ziegler & Associates LLP Counselors at Law 570 Lexington Avenue, Suite 2405 New York, New York 10022 (212) 319-7600 Telecopier (212) 319-7605 July 10, 2025 JPMorgan Chase Bank, N.

July 10, 2025 F-6

As filed with the U.S. Securities and Exchange Commission on July 10, 2025

As filed with the U.S. Securities and Exchange Commission on July 10, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 For Depositary Shares Evidenced by American Depositary Receipts Sify Technologies Limited (Exact name of issuer of deposited securities as specified in its charter) n

June 24, 2025 EX-99.1

Sify Technologies announces the appointment of Dr. Ram Sewak Sharma as Director on the Board

EXHIBIT 99.1 For immediate release Sify Technologies announces the appointment of Dr. Ram Sewak Sharma as Director on the Board Chennai, India, June 24, 2025: Sify Technologies Limited (NASDAQ: SIFY), India’s leading Digital ICT solutions provider with global service capabilities spanning Data Center, Cloud, Networks, Security and Digital services, today announced the appointment of Dr. Ram Sewak

June 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

June 10, 2025 EX-99.1

Sify Technologies Ltd. Announces Non-Compliance with Nasdaq Listing Requirements due to Resignation of a Director

EXHIBIT 99.1 For immediate release Sify Technologies Ltd. Announces Non-Compliance with Nasdaq Listing Requirements due to Resignation of a Director Chennai, India, June 10, 2025 - Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, notified the Nasdaq Stock Market (“Nasdaq”) on May 21,

June 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2025 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

June 9, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2025. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

June 9, 2025 EX-13.1

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.1 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2025, full

June 9, 2025 EX-13.2

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.2 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2025, f

June 9, 2025 EX-11.2

Insider Trading Policy Sify Technologies Limited 2nd Floor, TIDEL Park, 4, Rajiv Gandhi Salai, Taramani, Chennai-600113 VERSION No. 1 Year 2023 COPYRIGHT © 2022, SIFY. ALL RIGHTS

Exhibit 11.2 Insider Trading Policy Sify Technologies Limited 2nd Floor, TIDEL Park, 4, Rajiv Gandhi Salai, Taramani, Chennai-600113 India VERSION No. 1 Year 2023 COPYRIGHT © 2022, SIFY. ALL RIGHTS Distribution list VERSION No. 1 Year 2023 COPYRIGHT © 2023 , SIFY. ALL RIGHTS PURPOSE The purpose of this Insider Trading Policy (“Policy”) is to promote compliance with securities law and to preserve t

June 9, 2025 EX-2.7

Sify Technologies Limited CITIBANK, N.A., as Depositary, THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF October 18, 1999

EXHIBIT 2.7 Sify Technologies Limited and CITIBANK, N.A., as Depositary, and THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF October 18, 1999 Amendment No. 4 to the Deposit Agreement Dated as of October 4, 2024 Table of Contents Page ARTICLE I DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.2 Effective Date 2 ARTIC

June 9, 2025 EX-2.1

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.1 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of March 31, 2025, Sify Technologies Limited (“we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading symbol Name of each Exchange on which registered American Depositary Shares, each representing six Equity Shares SIFY

June 9, 2025 EX-97.1

SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) Registered Office: Second Floor, TIDEL Park, No 4, Rajiv Gandhi Salai, Taramani, Chennai 600 113, India. Phone: +91 44 2254 0770, Fax: +91 44 2254 0771

Exhibit 97.1 SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) Registered Office: Second Floor, TIDEL Park, No 4, Rajiv Gandhi Salai, Taramani, Chennai 600 113, India. Phone: +91 44 2254 0770, Fax: +91 44 2254 0771 E-mail: [email protected] | Website: www.sifycorp.com SIFY TECHNOLOGIES LIMITED Clawback Policy The Board of Directors (the “Board”) of Sify Technologies Limited (the “

June 9, 2025 EX-12.1

Sify Technologies Limited Certification of Chief Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.1 Sify Technologies Limited Certification of Chief Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the

June 9, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the Registration Statement No. 333-208648 on Form S-8 of our reports dated June 6, 2025 relating to the consolidated financial statements of Sify Technologies Limited and the effectiveness of Sify Technologies Limited’s internal c

June 9, 2025 EX-12.2

Sify Technologies Limited Certification of Chief Financial Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.2 Sify Technologies Limited Certification of Chief Financial Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make t

May 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: May 2025 Commission File Number: 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: May 2025 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 11

April 21, 2025 EX-99.1

Sify reports Consolidated Financial Results for FY 2024-25 Revenues of INR 39886 Million. EBITDA of INR 7562 Million. Loss for the Year was INR 785 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS Event time: Monday, April 21, 2025 - 8:30 AM Eastern Time To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International). Access code: 680924 On the call: Mr. Raju Vegesna, Chairman of the Board and Mr. M P Vijay Kumar, Executive Director & Group CFO Live webcast: https://www.webcaster4.com/Webca

April 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number 000-27663 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 17, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 17, 2025 EX-99.1

Sify reports Consolidated Financial Results for Q3 FY 2024-25 Revenues of INR 10,491 Million. EBITDA of INR 1,914 Million. Loss for the period INR 258 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS January 17, 2025| 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access Code: 260860 On the call: Mr. Raju Vegesna, Chairman of the Board and Mr. M P Vijay Kumar, Executive Director & Group CFO Live webcast: https://www.webcaster4.com/Webcast/Page

January 14, 2025 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2024 Commission File Number

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2024 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 13, 2025 EX-12.2

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F/A of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to

January 13, 2025 EX-12.1

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F/A of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to mak

January 13, 2025 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No.1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No.1) (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2024. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF

January 13, 2025 EX-13.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F/A of Sify Technologies Limited for the year ended March 31, 2024

January 13, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the Registration Statement No. 333-208648 on Form S-8 of our report dated May 2, 2024 (January 13, 2025 as to the effects of the restatement discussed in the basis for preparation to the consolidated financial statements) relating

January 13, 2025 EX-13.2

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F/A of Sify Technologies Limited for the year ended March 31, 2

January 8, 2025 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India January 8, 2025 Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Robert Littlepage Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dated December

December 10, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India December 10, 2024 Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dated October 17, 2024 File No.

November 26, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India November 26, 2024 VIA EDGAR Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Robert Littlepage Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dat

November 12, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India November 12, 2024 VIA EDGAR Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Robert Littlepage Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dat

October 22, 2024 EX-99.1

Sify reports Consolidated Financial Results for Q2 FY 2024-25 Revenues of INR 10275 Million. EBITDA of INR 1963 Million. Profit for the period INR 49 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS October, 22, 2024| 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access Code: 407924 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcas

October 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 21, 2024 EX-99.1

Sify Technologies Ltd. Regains Compliance with Nasdaq Minimum Bid Price Requirement

EXHIBIT 99.1 For Immediate release Sify Technologies Ltd. Regains Compliance with Nasdaq Minimum Bid Price Requirement Chennai, India, October 21, 2024 (GLOBE NEWSWIRE) — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, received a letter (the “Notification Letter”) from the Listing Q

October 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: October 2024 Commission File Number: 000-2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: October 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 60

October 17, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dated October 1, 2024 File No. 000-27663 Dear Ms.

October 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: October 2024 Commission File Number: 000-2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: October 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 60

October 1, 2024 EX-99.1

Sify Technologies Ltd. Announces ADS Ratio Change to Be Effective on October 4, 2024

EXHIBIT 99.1 Sify Technologies Ltd. Announces ADS Ratio Change to Be Effective on October 4, 2024 Chennai, India, October 1, 2024 (GLOBE NEWSWIRE) — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, today announces that the previously announced ratio change of its American Depositary

October 1, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Response dated August 26, 2024 File No. 000-27663 Dear Cla

September 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: September 2024 Commission File Number: 000

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: September 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai

September 18, 2024 F-6 POS

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-6 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS SIFY TECHNOLOGIES LIMITED

As filed with the Securities and Exchange Commission on September 18, 2024 Registration No.

September 18, 2024 EX-99.1

Sify Technologies Ltd. Announces Plan to Implement ADS Ratio Change

EXHIBIT 99.1 Sify Technologies Ltd. Announces Plan to Implement ADS Ratio Change Chennai, India, September 18, 2024 (GLOBE NEWSWIRE) — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, today announced that it will change the ratio of its American Depositary Shares (“ADSs”) to equity s

September 18, 2024 EX-99.(A)(I)

Sify Technologies Limited CITIBANK, N.A., as Depositary, THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF October 18, 1999 Amendment No. 4 the Deposit Agreement Dated as

Exhibit (a)(i) Sify Technologies Limited and CITIBANK, N.A., as Depositary, and THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF October 18, 1999 Amendment No. 4 to the Deposit Agreement Dated as of [l] [l], 2024 Table of Contents Page ARTICLE I DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.2 Effective Date 2 ARTI

August 26, 2024 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India Division of Corporation Finance Office of Technology Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Claire DeLabar Re: Sify Technologies Ltd. Form 20-F for the Fiscal Year Ended March 31, 2024 Filed May 7, 2024 File No. 000-27663 Dear Claire DeLabar,

July 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2024 Commission File Number 000-27663 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: July 2024 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

July 24, 2024 EX-99.1

Sify Technologies Ltd. Receives NASDAQ Notification Regarding Minimum Bid Price Deficiency

Exhibit 99.1 For immediate release Sify Technologies Ltd. Receives NASDAQ Notification Regarding Minimum Bid Price Deficiency Chennai, India, July 24, 2024 - Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, received a letter from the Listing Qualifications Department of the Nasdaq St

July 19, 2024 EX-99.1

Sify reports Consolidated Financial Results for Q1 FY 2024-25 Revenues of INR 9,421 Million. EBITDA of INR 1,784 Million. Loss for the period INR 105 Million.

Exhibit 99.1 For immediate release Chennai, India July 19, 2024 | 8:30 AM ET Sify reports Consolidated Financial Results for Q1 FY 2024-25 Revenues of INR 9,421 Million. EBITDA of INR 1,784 Million. Loss for the period INR 105 Million. HIGHLIGHTS · Revenue was INR 9,421 Million, an increase of 10% over the same quarter last year. · EBITDA was INR 1,784 Million, an increase of 3% over the same quar

July 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

July 2, 2024 SC 13D/A

SIFY / Sify Technologies Limited - Depositary Receipt (Common Stock) / INFINITY CAPITAL VENTURES, LP - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7) SIFY TECHNOLOGIES LIMITED (Name of Issuer) American Depositary Shares, each representing one Equity Share (Title of Class of Securities) 804099208 (CUSIP Number) Infinity Capital Ventures, LP 1929 Hooper Avenue, Los Angeles, CA 90011 Attn: Amir Ohebsion 3

June 28, 2024 EX-99.1

Sify Technologies Ltd. Rights Offering Over-Subscribed

Exhibit 99.1 For immediate release Sify Technologies Ltd. Rights Offering Over-Subscribed Chennai, India, June 28, 2024/PRNewswire/ - Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, today announced that its recent rights offering was over-subscribed. The subscription period for the

June 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

June 11, 2024 SC 13D/A

SIFY / Sify Technologies Limited - Depositary Receipt (Common Stock) / INFINITY CAPITAL VENTURES, LP - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6) SIFY TECHNOLOGIES LIMITED (Name of Issuer) American Depositary Shares, each representing one Equity Share (Title of Class of Securities) 804099208 (CUSIP Number) Infinity Capital Ventures, LP 1929 Hooper Avenue, Los Angeles, CA 90011 Attn: Amir Ohebsion 3

June 7, 2024 EX-99.1

Sify Technologies Ltd. Announces the Voluntary Delisting Date of its ADS Rights from NASDAQ

Exhibit 99.1 For immediate release Sify Technologies Ltd. Announces the Voluntary Delisting Date of its ADS Rights from NASDAQ Chennai, India, June 7, 2024/PRNewswire/ - Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, today announced that it has provided notification to The Nasdaq S

June 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

June 7, 2024 25

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 000-27663 Issuer: Sify Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 25 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 000-27663 Issuer: Sify Technologies Limited Exchange: NASDAQ Capital Market (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/o

June 7, 2024 EX-99.1

Sify Technologies Ltd. Announces Commencement of Rights Offering

EXHIBIT 99.1 For immediate release Sify Technologies Ltd. Announces Commencement of Rights Offering Chennai, India, June 7, 2024/PRNewswire/ - Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”), a leading integrated information communications technology (or ICT) Solutions and Services provider in India, today announced the commencement of its previously announced rights offering. In the rights

June 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-2766

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: June 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 1

June 3, 2024 424B3

Rights Offering for up to 250,000,000 Equity Shares Including Equity Shares Represented by American Depositary Shares Sify Technologies Limited

Filed pursuant to Rule 424(b)(3) Registration No. 333-278152 PROSPECTUS Rights Offering for up to 250,000,000 Equity Shares Including Equity Shares Represented by American Depositary Shares Sify Technologies Limited We are distributing at no charge, (1) to the holders of our equity shares, transferable rights to subscribe for new equity shares and, (2) through Citibank, N.A., our depositary (the “

May 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: May 2024 Commission File Number: 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: May 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 11

May 21, 2024 CORRESP

May 21, 2024

May 21, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Technology 100 F Street, N.E. Washington, D.C. 20549 Attention: Mariam Mansaray Mitchell Austin Re: Sify Technologies Limited Registration Statement on Form F-1 Ladies and Gentlemen: Sify Technologies Limited hereby requests that its Registration Statement on Form F-1 (File No. 333-278152), as

May 21, 2024 EX-99.1

Sify Technologies Ltd. Announces Key Dates for Rights Offering

Exhibit 99.1 For immediate release Sify Technologies Ltd. Announces Key Dates for Rights Offering Chennai, India, May 21, 2024/PRNewswire/ — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”) is a leading integrated information communications technology (or ICT) Solutions and Services provider in India. The Company’s infrastructure comprises state-of-the-art Data Centers, the largest MPLS netwo

May 10, 2024 EX-4.2

EX-4.2

Exhibit 4.2

May 10, 2024 EX-99.2

Rights Offering to Holders of Sify Technologies Limited American Depositary Shares

Exhibit 99.2 Rights Offering to Holders of Sify Technologies Limited American Depositary Shares [●], 2024 To: Securities Dealers, Commercial Banks, Trust Companies, and Other Nominees which are holders of American Depositary Shares of Sify Technologies Limited (CUSIP No. 82655M107) On behalf of Sify Technologies Limited (the “Company”), in connection with the distribution by the Company to (i) hol

May 10, 2024 EX-99.4

LETTER OF OFFER Rights Offering for up to 250,000,000 Equity Shares SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809)

Exhibit 99.4 LETTER OF OFFER Rights Offering for up to 250,000,000 Equity Shares SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) This letter of offer (“Letter of Offer”) is only being provided with respect to holders of equity shares and should be reviewed with the prospectus dated , 2024 (the “Prospectus”) which forms a part of the registration statement on Form F-1 (“Registration Statemen

May 10, 2024 EX-99.1

INSTRUCTIONS BOOKLET FOR Sify Technologies Limited ADS SUBSCRIPTION FORM FOR ADS Rights to Purchase ADSs of SIFY TECHNOLOGIES Limited

Exhibit 99.1 INSTRUCTIONS BOOKLET FOR Sify Technologies Limited ADS SUBSCRIPTION FORM FOR ADS Rights to Purchase ADSs of SIFY TECHNOLOGIES Limited Sify Technologies Limited (the “Company”) is distributing to (i) holders of Equity Shares (the “Shares”) rights to subscribe for new Equity Shares (the “Share Rights”), and (ii) holders of its American Depositary Shares (the “ADSs”) rights to subscribe

May 10, 2024 EX-99.3

Rights Offering to Holders of Sify Technologies Limited American Depositary Shares

Exhibit 99.3 Rights Offering to Holders of Sify Technologies Limited American Depositary Shares [●], 2024 To: Our Clients who are Beneficial Owners of American Depositary Shares of Sify Technologies Limited Sify Technologies Limited (the “Company”) is distributing to (i) holders of Equity Shares rights to subscribe for new Equity Shares (the “Share Rights”), and (ii) holders of its American Deposi

May 10, 2024 EX-FILING FEES

Calculation of Filing Fee Tables Form F-1 (Form Type) Sify Technologies Limited (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107.1 Calculation of Filing Fee Tables Form F-1 (Form Type) Sify Technologies Limited (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title(1) Fee Calculation Rule Amount Registered(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price(4) Fee Rate Amount of Registration Fee Other Subscription Ri

May 10, 2024 CORRESP

*** Form F-1 filed March 21, 2024

May 10, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Technology 100 F Street, N.E. Washington, D.C. 20549 Attn: Mariam Mansaray Mitchell Austin Re: Sify Technologies Limited Registration Statement on Form F-1 Filed March 21, 2024 File No. 333-278152 Dear Ms. Mansaray, This letter responds to the comments of the Staff (the “Staff”) of the United S

May 10, 2024 F-1/A

As filed with the Securities and Exchange Commission on May 10, 2024

As filed with the Securities and Exchange Commission on May 10, 2024 Registration No.

May 7, 2024 EX-11.2

Insider Trading Policy Sify Technologies Limited 2nd Floor, TIDEL Park, 4, Rajiv Gandhi Salai, Taramani, Chennai-600113 VERSION No. 1 Year 2023 COPYRIGHT © 2022, SIFY. ALL RIGHTS

Exhibit 11.2 Insider Trading Policy Sify Technologies Limited 2nd Floor, TIDEL Park, 4, Rajiv Gandhi Salai, Taramani, Chennai-600113 India VERSION No. 1 Year 2023 COPYRIGHT © 2022, SIFY. ALL RIGHTS Document MainTitle Insider Trading Policy - Draft - subject to approval by Board Document Version 1 Version Date 15/06/2023 Document Status Draft Author Mrs. Jayashree Chandrasekaran Mrs. Meenakshi Jaya

May 7, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the Registration Statement No. 333-208648 on Form S-8 of our reports dated May 2, 2024 relating to the consolidated financial statements of Sify Technologies Limited and the effectiveness of Sify Technologies Limited’s internal co

May 7, 2024 EX-97.1

SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) Registered Office: Second Floor, TIDEL Park, No 4, Rajiv Gandhi Salai, Taramani, Chennai 600 113, India. Phone: +91 44 2254 0770, Fax: +91 44 2254 0771 E-mail: [email protected] | Web

Exhibit 97.1 SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) Registered Office: Second Floor, TIDEL Park, No 4, Rajiv Gandhi Salai, Taramani, Chennai 600 113, India. Phone: +91 44 2254 0770, Fax: +91 44 2254 0771 E-mail: [email protected] | Website: www.sifycorp.com SIFY TECHNOLOGIES LIMITED Clawback Policy The Board of Directors (the “Board”) of Sify Technologies Limited (the “

May 7, 2024 EX-13.2

/s/ M P Vijay Kumar

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

May 7, 2024 EX-12.2

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

May 7, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2024. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

May 7, 2024 EX-13.1

/s/ Raju Vegesna

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2024,

May 7, 2024 EX-2.1

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.1 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of March 31, 2024, Sify Technologies Limited (“we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading symbol Name of each Exchange on which registered American Depositary Shares, each representing one Equity Share SIFY

May 7, 2024 EX-12.1

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

April 22, 2024 EX-99.1

Sify reports Consolidated Financial Results for FY 2023-24 Revenues of INR 35,634 Million. EBITDA of INR 6,756 Million. Profit for the period of INR 49 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS April 22, 2024 | 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International). Access code: 380303 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast:

April 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number 000-27663 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

April 16, 2024 EX-99.(B)(V)

SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(v) SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of March 11, 2005 Citibank, N.A. - ADR Department 388 Greenwich Street, 14th Floor New York, New York 10013 Re: Restricted Sify Limited ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dat

April 16, 2024 EX-99.(B)(I)

Attachment I Form of Issuance Instruction

Exhibit (b)(i) January 26, 2018 Citibank, N.A. – ADR Depositary 388 Greenwich Street New York, New York 10013 Attn: Account Management Re: Instructions Regarding Deposit of Ordinary Shares – Sify ESOP Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated as of January 6, 2000, by Amendment No. 2 to

April 16, 2024 F-6EF

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS SIFY TECHNOLOGIES LIMITED (Exact name of issuer of deposited

As filed with the Securities and Exchange Commission on April 16, 2024 Registration No.

April 16, 2024 EX-99.(A)(I)

AMENDMENT NO. 3 TO DEPOSIT AGREEMENT

Exhibit (a)(i) AMENDMENT NO. 3 TO DEPOSIT AGREEMENT AMENDMENT NO. 3 TO DEPOSIT AGREEMENT, dated as of June 15, 2009 (the “Amendment”), by and among Sify Technologies Limited, a limited liability company organized under the laws of the Republic of India and previously known as “Satyam Infoway Limited” (the “Company”), Citibank, N.A., a national banking association organized under the laws of the Un

April 16, 2024 EX-99.(E)

Rule 466 Certification

Exhibit (e) Rule 466 Certification The depositary, Citibank, N.A., represents and certifies the following: (i) That it previously had filed a registration statement on Form F-6 (Registration No. 333-159114), which the U.S. Securities and Exchange Commission declared effective, with terms of deposit identical to the terms of deposit of this Form F-6 Registration Statement except for the number of s

April 16, 2024 EX-99.(B)(III)

SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(viii) SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of July 21, 2003 Citibank, N.A. - ADR Department 111 Wall Street, 20th Floor New York, New York 10043 Re: Restricted Sify Limited ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated

April 16, 2024 EX-99.(V)(II)

SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(vii) SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of October 1, 2003 Citibank, N.A. - ADR Department 111 Wall Street, 20th Floor New York, New York 10043 Re: Restricted Sify Limited ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated

April 16, 2024 EX-99.(B)(III)

SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(iii) SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of January 10, 2006 Citibank, N.A. - ADR Department 388 Greenwich Street New York, New York 10013 Re: Sify Limited Restricted ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated as of

April 16, 2024 EX-99.(B)(IV)

SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(iv) SIFY LIMITED Tidel Park, 2nd Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of November 9, 2005 Citibank, N.A. - ADR Department 388 Greenwich Street New York, New York 10013 Re: Restricted Sify Limited ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated as of

April 16, 2024 EX-99.(D)

Exhibit (d)

Exhibit (d) April 16, 2024 Citibank, N.A. – ADR Department 388 Greenwich Street New York, New York 10013 Ladies and Gentlemen: We refer to the Registration Statement on Form F-6 (the “Registration Statement”) to be filed with the Securities and Exchange Commission (the “SEC”) by the legal entity created by the Deposit Agreement (as hereinafter defined) for the purpose of registering under the Unit

April 16, 2024 EX-99.(V)(I)

SIFY LIMITED Tidel Park, 2" Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India

Exhibit (b)(vi) SIFY LIMITED Tidel Park, 2" Floor No. 4, Canal Bank Road Taramani, Chennai 600 113 India As of March 9, 2005 Citibank, N.A. - ADR Department 388 Greenwich Street, 14 Floor New York, New York 10013 Re: Sify Limited ADSs Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated as of Janua

March 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: March 2024 Commission File Number: 000-276

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of: March 2024 Commission File Number: 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600

March 22, 2024 EX-99.1

Sify Technologies Ltd. Announces Plans for Rights Offering to Shareholders

Exhibit 99.1 For immediate release Sify Technologies Ltd. Announces Plans for Rights Offering to Shareholders Chennai, India, March 21, 2024/PRNewswire/ — Sify Technologies Ltd. (Nasdaq: Sify) (the “Company”) is a leading integrated information communications technology (or ICT) Solutions and Services provider in India. The Company’s infrastructure comprises state-of-the-art Data Centers, the larg

March 21, 2024 EX-4.6

Sify Limited – Direct Registration System for ADSs evidenced by Equity Shares

Exhibit 4.6 388 Greenwich Street 14th Floor New York, NY 10013 November 2, 2007 Sify Limited 2nd Floor TIDEL Park 4 Canal Bank Road Taramani Chennai 600 113 India Sify Limited – Direct Registration System for ADSs evidenced by Equity Shares Ladies and Gentlemen: Reference is made to the Deposit Agreement, dated as of October 18, 1999, as amended by Amendment No. 1 to Deposit Agreement, dated as of

March 21, 2024 EX-4.7

SIFY TECHNOLOGIES LIMITED CITIBANK, N.A., as Depositary, ALL HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF OCTOBER 18, 1999 Amendment No. 3 to Deposit Agreement Dated as

Exhibit 4.7 SIFY TECHNOLOGIES LIMITED AND CITIBANK, N.A., as Depositary, AND ALL HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES OUTSTANDING UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF OCTOBER 18, 1999 Amendment No. 3 to Deposit Agreement Dated as of June 15, 2009 Table of Contents Page ARTICLE I DEFINITIONS 2 SECTION 1.01 Definitions 2 SECTION 1.02 Effective Date 2 ARTICLE I

March 21, 2024 EX-99.4

LETTER OF OFFER Rights Offering for up to 250,000,000 Equity Shares SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809)

Exhibit 99.4 LETTER OF OFFER Rights Offering for up to 250,000,000 Equity Shares SIFY TECHNOLOGIES LIMITED (CIN: U72200TN1995PLC050809) This letter of offer (“Letter of Offer”) is only being provided with respect to holders of equity shares and should be reviewed with the prospectus dated , 2024 (the “Prospectus”) which forms a part of the registration statement on Form F-1 (“Registration Statemen

March 21, 2024 F-1

As filed with the Securities and Exchange Commission on March 21, 2024

As filed with the Securities and Exchange Commission on March 21, 2024 Registration No.

March 21, 2024 EX-FILING FEES

Calculation of Filing Fee Tables Form F-1 (Form Type) Sify Technologies Limited (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107.1 Calculation of Filing Fee Tables Form F-1 (Form Type) Sify Technologies Limited (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title(1) Fee Calculation Rule Amount Registered(2) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price(4) Fee Rate Amount of Registration Fee Other Subscription Ri

January 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 18, 2024 EX-99.1

Sify reports Consolidated Financial Results for Q3 FY 2023-24 Revenues of INR 8659 Million. EBITDA of INR 1689 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS January 18, 2024 | 8:30 AM ET To join: Toll Free: 888-506-0062, International: 973-528-0011, Participant Access Code: 219546 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast: https://www.webcaster4.com/Webcast/Page

January 17, 2024 6-K/A

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K/A Amendment No. 1 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2023 Comm

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K/A Amendment No.

November 20, 2023 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2023 Commission File Number

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2023 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 20, 2023 EX-99.1

Sify reports Consolidated Financial Results for Q2 FY 2023-24 Revenues of INR 8791 Million. EBITDA of INR 1519 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS Oct 20, 2023| 8:30 AM ET To join: Toll Free: 888-506-0062, International: 973-528-0011, Participant Access Code: 219546 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast: https://www.webcaster4.com/Webcast/Page/2184

July 21, 2023 EX-10.1

DEBENTURE SUBSCRIPTION AGREEMENT DATED JULY ____, 2023 BY AND AMONG SIFY INFINIT SPACES LIMITED SIFY TECHNOLOGIES LIMITED KOTAK DATA CENTER FUND

Exhibit 10.1 DEBENTURE SUBSCRIPTION AGREEMENT DATED JULY , 2023 BY AND AMONG SIFY INFINIT SPACES LIMITED AND SIFY TECHNOLOGIES LIMITED AND KOTAK DATA CENTER FUND Sify Infinit Spaces Limited Sify Technologies Limited Kotak Data Center Fund TABLE OF CONTENTS 1. DEFINITIONS AND INTERPRETATION 2 2. EFFECTIVE DATE 17 3. SUBSCRIPTION AND CONSIDERATION 18 4. CONDITIONS PRECEDENT 19 5. Fulfillment of COND

July 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE AS OF 1934 For the month of July 2023 Commission File Number 000-27663 SIF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE AS OF 1934 For the month of July 2023 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, 2nd Floor 4, Rajiv Gandhi Salai Taramani, Chennai 600 113 India (91) 44-2254-0770 (Address of principal executive office) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

July 21, 2023 EX-99.1

Sify reports Consolidated Financial Results for Q1 FY 2023-24 Revenues of INR 8547 Million. EBITDA of INR 1724 Million. Profit after tax was INR 95 Million,

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS July 20, 2023| 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access Code: 320719 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast: h

June 28, 2023 EX-12.2

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

June 28, 2023 EX-13.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2023,

June 28, 2023 EX-15.3

Letter regarding the Change in Registrant’s Certifying Accountant

Exhibit 15.3 Letter regarding the Change in Registrant’s Certifying Accountant Securities and Exchange Commission 100 F Street N.E. Washington, D.C. 20549 We have reviewed the disclosures mentioned under the Item 16F- “Change in Registrant’s Certifying Accountant” in Annual Report on Form 20-F of Sify Technologies Limited for the fiscal year ended March 31, 2023, and agree with the statements rela

June 28, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2023. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

June 28, 2023 EX-13.2

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

June 28, 2023 EX-15.1

Consent of Independent Registered Public Accounting Firm

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the Registration Statement No. 333-208648 on Form S-8 of our reports dated June 28, 2023 relating to the consolidated financial statements of Sify Technologies Limited and the effectiveness of Sify Technologies Limited’s internal con

June 28, 2023 EX-2.1

DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT

Exhibit 2.1 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of March 31, 2023, Sify Technologies Limited (“we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading symbol Name of each Exchange on which registered American Depositary Shares, each representing one Equity Share SIFY

June 28, 2023 EX-12.1

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

June 28, 2023 EX-15.2

Consent of Independent Registered Public Accounting Firm

Exhibit 15.2 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-208648 ) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated July 28, 2021 with respect consolidated Statements of Income, comprehensive income, change

April 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 000-27663 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

April 24, 2023 EX-99.1

Sify reports Consolidated Financial Results for FY 2022-23 Revenues of INR 33,404 Million. EBITDA of INR 6,291 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS April 24, 2023| 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access code: 394436 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast:

February 22, 2023 EX-12.2

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F, of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to m

February 22, 2023 EX-12.1

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 200 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F, of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

February 22, 2023 EX-15.1

Consent of Manohar Chowdhry & Associates in respect of the Sify Technologies Limited

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the Registration statement No. 333-208648 on Form S-8 of our reports dated June 10, 2022 relating to the consolidated financial statements of Sify Technologies Limited and the effectiveness of Sify Technologies Limited’s internal

February 22, 2023 EX-13.2

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

February 22, 2023 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No. 1) (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2022. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF

February 22, 2023 EX-13.1

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2022,

February 22, 2023 CORRESP

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113

SIFY TECHNOLOGIES LIMITED Tidel Park, Second Floor No. 4, Rajiv Gandhi Salai, Taramani Chennai 600 113 India. VIA EDGAR February 22, 2023 Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington D.C. 20549 Attention: Ms. Claire DeLabar Staff Accountant Re: Sify Technologies Limited Form 20-F for the Fiscal Year Ended March 31, 2022 Filed June 10, 2022 File N

January 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 25, 2023 EX-99.1

Sify reports Consolidated Financial Results for Q3 FY 2022-23 Revenues of INR 8,896 Million. EBITDA of INR 1,619 Million.

Exhibit 99.1 For immediate release Chennai, India EARNING CALLS DETAILS January 25, 2023| 8:30 AM ET Participant Dial in: To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) | Access Code: 886459 On the call: Mr. Raju Vegesna, Chairman of the Board, Mr. M P Vijay Kumar, Executive Director & Group CFO and Mr. Kamal Nath, Chief Executive Officer Live webcast

November 17, 2022 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2022 Commission File Number

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2022 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 21, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 21, 2022 EX-99.1

Sify reports Consolidated Financial Results for Q2 FY 2022-23 Revenues of INR 7938 Million. EBITDA of INR 1509 Million.

Exhibit 99.1 For immediate release Chennai, India, October 21, 2022 EARNING CALLS DETAILS October 21, 2022 | 8:30 AM ET On the call: Mr. Raju Vegesna-Chairman, Mr. Kamal Nath-CEO & Mr. M P Vijay Kumar-CFO To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International). Live webcast: https://www.webcaster4.com/Webcast/Page/2184/46822 Archives: +1-877-481-4010 (Toll Fre

July 22, 2022 EX-99.1

Sify reports Consolidated Financial Results for Q1 FY 2022-23 Revenues of INR 7709 Million. EBITDA of INR 1525 Million.

Exhibit 99.1 For immediate release Chennai, India, July 22, 2022 EARNING CALLS DETAILS July 22, 2022 | 8:30 AM ET On the call: Mr. Raju Vegesna-Chairman, Mr. Kamal Nath-CEO & Mr. M P Vijay Kumar-CFO To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) Live broadcast over the Internet: https://www.webcaster4.com/Webcast/Page/2184/46130 Archives: +1-877-481-4

July 22, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number 000-27663 SI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

June 10, 2022 EX-15.2

Consent of ASA & Associates LLP in respect of the Sify Technologies Limited

EX-15.2 9 sify022ex15-2.htm EXHIBIT 15.2 Exhibit 15.2 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-208648) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated July 28, 2021 with respect to the consolidated sta

June 10, 2022 EX-13.1

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2022,

June 10, 2022 EX-2.1

Description of Securities registered under Section 12 of the Exchange Act (18)

Exhibit 2.1 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of March 31, 2022, Sify Technologies Limited (?we,? ?us,? and ?our?) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading symbol Name of each Exchange on which registered American Depositary Shares, each representing one Equity Share SIFY

June 10, 2022 EX-12.1

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

June 10, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2022. Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

June 10, 2022 EX-15.1

Consent of Manohar Chowdhry & Associates in respect of the Sify Technologies Limited

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-208648) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ?Company?) of our report dated June 10, 2022 with respect to the consolidated statements of financial position of Sify Tec

June 10, 2022 EX-13.2

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

June 10, 2022 EX-12.2

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

April 18, 2022 EX-99.1

Sify reports Consolidated financial results for FY 2021-22 Revenues of INR 27026 Million. EBITDA of INR 6034 Million.

Exhibit 99.1 For immediate release Chennai, India, April 18, 2022 EARNING CALLS DETAILS April 18, 2022 | 8:30 AM ET On the call: Mr. Raju Vegesna-Chairman, Mr. Kamal Nath-CEO & Mr. M P Vijay Kumar-CFO To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) with access code: 710948 Live broadcast over the Internet https://www.webcaster4.com/Webcast/Page/2184/45

April 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number 000-27663 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

January 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

January 24, 2022 EX-99.1

Sify reports Consolidated financial results for Third quarter of 2021-22 Revenues of INR 6783 Million. EBITDA of INR 1574 Million.

Exhibit 99.1 PRESS RELEASE - Q3 FY 2021-22 EARNING CALLS DETAILS January 24, 2022 | 8:30 AM ET On the call: Mr. Raju Vegesna-Chairman, Mr. Kamal Nath-CEO & Mr. M P Vijay Kumar - CFO To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) with access code 418080 Live broadcast over the Internet https://www.webcaster4.com/Webcast/Page/2184/44383. Archives: +1-87

November 26, 2021 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2021 Commission File Number

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

November 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE AS OF 1934 For the month of November 2021 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE AS OF 1934 For the month of November 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, 2nd Floor 4, Rajiv Gandhi Salai Taramani, Chennai 600 113 India (91) 44-2254-0770 (Address of principal executive office) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

November 2, 2021 EX-10.1

Debenture Subscription Agreement dated November 1, 2021 By and Among Sify Infinit Spaces Limited and Sify Technologies Limited and Kotak Special Situations Fund

Exhibit 10.1 DEBENTURE SUBSCRIPTION AGREEMENT DATED NOVEMBER 1, 2021 BY AND AMONG SIFY INFINIT SPACES LIMITED AND SIFY TECHNOLOGIES LIMITED AND KOTAK SPECIAL SITUATIONS FUND Debenture Subscription Agreement dated November 1st , 2021 entered into between Sify Infinit Spaces Limited, Sify Technologies Limited and Kotak Special Situations Fund TABLE OF CONTENTS 1. DEFINITIONS AND INTERPRETATION 3 2.

November 2, 2021 EX-99.1

Kotak Special Situations Fund to invest INR 1000 crores in Sify’s Data Center business

Exhibit 99.1 For immediate release Kotak Special Situations Fund to invest INR 1000 crores in Sify?s Data Center business Mumbai, 1st November, 2021: Kotak Special Situations Fund (KSSF), managed by Kotak Investment Advisors Limited (KIAL) and whose LPs include leading Sovereign Wealth Funds, and Sify Technologies Limited (?Sify?), India?s most comprehensive ICT service & solutions provider, today

November 2, 2021 EX-10.2

Put Option Agreement Among Sify Technologies, Ltd. and Kotak Special Situations Fund and Sify Infinit Spaces Limited dated November 1, 2021

Exhibit 10.2 PUT OPTION AGREEMENT AMONG SIFY TECHNOLOGIES LIMITED AND KOTAK SPECIAL SITUATIONS FUND AND SIFY INFINIT SPACES LIMITED DATED: NOVEMBER 1, 2021 PUT OPTION AGREEMENT This PUT OPTION AGREEMENT (this ?Agreement?) dated November 1, 2021 (?Execution Date?), among: SIFY TECHNOLOGIES LIMITED, a company incorporated under Companies Act, 1956, and having its registered office at TIDEL Park, 2nd

October 29, 2021 EX-99.1

Sify reports Consolidated financial results for Second quarter of 2021-22 Revenues of INR 6986 Million. EBITDA of INR 1477 Million.

Exhibit 99.1 PRESS RELEASE - Q2FY 2021-22 EARNING CALLS DETAILS October 29, 2021 | 8:30 AM ET On the call: Mr. Raju Vegesna-Chairman, Mr. Kamal Nath-CEO & Mr. M P Vijay Kumar - CFO To join: +1-888-506-0062 (Toll Free in the U.S. or Canada) or +1-973-528-0011 (International) with access code 287954. Live broadcast over the Internet https://www.webcaster4.com/Webcast/Page/2184/43376. Archives: +1-87

October 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number 000-27663

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

July 30, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 000-27663 SI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

July 30, 2021 EX-99.1

Sify reports Revenues of INR 6,451 Million for First Quarter of FY 2021-22 EBITDA for the Quarter stood at INR 1,454 Million

Exhibit 99.1 For immediate release Chennai, India, July 30, 2021 Sify reports Revenues of INR 6,451 Million for First Quarter of FY 2021-22 EBITDA for the Quarter stood at INR 1,454 Million PERFORMANCE HIGHLIGHTS: ? Revenue for the quarter was INR 6,451 Million, a growth of 23% over the same quarter last year. ? EBITDA for the quarter was INR 1,454 Million, an increase of 26% over the same quarter

July 29, 2021 EX-13.1

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2021,

July 29, 2021 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2021. Or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

July 29, 2021 EX-12.1

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

July 29, 2021 EX-15.1

Consent of ASA & Associates LLP in respect of the Sify Technologies Limited

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated July 28, 2021 with respect to the consolidated statements of financial position of Sify Tec

July 29, 2021 EX-12.2

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

July 29, 2021 EX-13.2

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

May 10, 2021 EX-99.1

Sify reports Revenue of INR 24,320 Million for Financial Year 2020-21 EBITDA for the year stood at INR 5085 Million Net Profit for the year was INR 1585 Million

Exhibit 99.1 For immediate release Chennai, India, May 07, 2021 Sify reports Revenue of INR 24,320 Million for Financial Year 2020-21 EBITDA for the year stood at INR 5085 Million Net Profit for the year was INR 1585 Million PERFORMANCE HIGHLIGHTS: ? Revenue for the year was INR 24,320 Million, an increase of 6% over last year. ? EBITDA for the year was INR 5085 Million, an increase of 25% over la

May 10, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

January 28, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2021 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 28, 2021 EX-99.1

Sify reports Revenues of INR 6301 Million for Third Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1291 Million

Exhibit 99.1 For immediate release Chennai, India, January 28, 2021 Sify reports Revenues of INR 6301 Million for Third Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1291 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 6301 Million, a growth of 7% over the same quarter last year. · EBITDA for the quarter was INR 1291 Million, an increase of 17% over the same quarter l

November 27, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2020 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 23, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2020 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 23, 2020 EX-99.1

Sify reports Revenues of INR 5899 Million for Second Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1189 Million

Exhibit 99.1 For immediate release Chennai, India, October 23, 2020 Sify reports Revenues of INR 5899 Million for Second Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1189 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5899 Million, a growth of 2% over the same quarter last year. · EBITDA for the quarter was INR 1189 Million, an increase of 12% over the same quarter

July 31, 2020 20-F/A

- FORM 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A Amendment No. 1 (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2020. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF T

July 29, 2020 EX-13.1

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2020,

July 29, 2020 EX-12.2

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

July 29, 2020 EX-13.2

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 202

July 29, 2020 EX-15.1

Consent of ASA & Associates LLP in respect of the Sify Technologies Limited

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated July 27, 2020 with respect to the consolidated statements of financial position of Sify Tec

July 29, 2020 EX-12.1

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

July 29, 2020 20-F

- FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2020. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

July 29, 2020 EX-2.1

Description of Securities registered under Section 12 of the Exchange Act

Exhibit 2.1 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of March 31, 2020, Sify Technologies Limited (“we,” “us,” and “our”) had the following series of securities registered pursuant to Section 12(b) of the Exchange Act: Title of each class Trading symbol Name of each Exchange on which registered American Depositary Shares, each representing one Equity Share SIFY

July 28, 2020 EX-99.1

Sify reports Revenues of INR 5259 Million for First Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1153 Million

Exhibit 99.1 For immediate release Chennai, India, July 28, 2020 Sify reports Revenues of INR 5259 Million for First Quarter of FY 2020-21 EBITDA for the Quarter stood at INR 1153 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5259 Million, a decrease of 5% over the same quarter last year. · EBITDA for the quarter was INR 1153 Million, an increase of 32% over the same quarter la

July 28, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2020 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

May 5, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2020 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

May 5, 2020 EX-99.1

Sify reports Revenues of INR 22952 Million for Financial Year 2019-20 EBITDA for the year stood at INR 4076 Million Net Profit for the year was INR 706 Million

Exhibit 99.1 For immediate release Chennai, India, May 05, 2020 Sify reports Revenues of INR 22952 Million for Financial Year 2019-20 EBITDA for the year stood at INR 4076 Million Net Profit for the year was INR 706 Million PERFORMANCE HIGHLIGHTS: · Revenue for the year was INR 22952 Million, an increase of 7% over last year. · EBITDA for the year was INR 4076 Million, an increase of 31% over last

January 24, 2020 EX-99

Sify reports Revenues of INR 5891 Million for Third Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 1103 Million

Exhibit 99.1 For immediate release Chennai, India, January 24, 2020 Sify reports Revenues of INR 5891 Million for Third Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 1103 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5891 Million, an increase of 3% over the same quarter last year. · EBITDA for the quarter was INR 1103 Million, an increase of 40 % over the same quart

January 24, 2020 6-K

SIFY / Sify Technologies Ltd. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2020 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

November 19, 2019 6-K

SIFY / Sify Technologies Ltd. 6-K - Current Report of Foreign Issuer - FORM 6-K

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 18, 2019 EX-99.1

Sify reports Revenues of INR 5807 Million for Second Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 1061 Million

Exhibit 99.1 For immediate release Chennai, India, October 18, 2019 Sify reports Revenues of INR 5807 Million for Second Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 1061 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5807 Million, an increase of 5% over the same quarter last year. · EBITDA for the quarter was INR 1061 Million, an increase of 38% over the same quart

October 18, 2019 6-K

SIFY / Sify Technologies Ltd. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

July 24, 2019 EX-99.1

Sify reports Revenues of INR 5518 Million for First Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 874 Million

Exhibit 99.1 For immediate release Chennai, India, July 24, 2019 Sify reports Revenues of INR 5518 Million for First Quarter of FY 2019-20 EBITDA for the Quarter stood at INR 874 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5518 Million, an increase of 18% over the same quarter last year. · EBITDA for the quarter was INR 874 Million, an increase of 18% over the same quarter la

July 24, 2019 6-K

SIFY / Sify Technologies Ltd. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

June 20, 2019 EX-12.1

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

June 20, 2019 EX-13.1

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2019,

June 20, 2019 EX-12.2

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

June 20, 2019 EX-13.2

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 201

June 20, 2019 EX-15.1

Consent of ASA & Associates LLP in respect of the Sify Technologies Limited

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated June 14, 2019 with respect to the consolidated statements of financial position of Sify Tec

June 20, 2019 20-F

SIFY / Sify Technologies Ltd. 20-F - - FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2019. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

May 15, 2019 EX-99.1

Sify announces Dividend on Equity Shares of the company for the Year 2018-19

Exhibit 99.1 For immediate release Sify announces Dividend on Equity Shares of the company for the Year 2018-19 Chennai, May 15, 2019: Sify Technologies Limited (NASDAQ NM: SIFY), a leader in Managed Enterprise, Network, IT and Software services in India with global delivery capabilities, announced its Dividend payout to all Equity shareholders of the company. Further to the adoption of the financ

May 15, 2019 6-K

SIFY / Sify Technologies Ltd. 6-K Current Report of Foreign Issuer FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

April 22, 2019 6-K

SIFY / Sify Technologies Ltd. FORM 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

April 22, 2019 EX-99

Sify reports Revenues of INR 21547 Million for Financial Year 2018-19 EBITDA for the year stood at INR 3122 Million Net Profit for the year was INR 1069 Million The Board has recommended a dividend of 12%

Exhibit 99.1 For immediate release Chennai, India, April 22, 2019 Sify reports Revenues of INR 21547 Million for Financial Year 2018-19 EBITDA for the year stood at INR 3122 Million Net Profit for the year was INR 1069 Million The Board has recommended a dividend of 12% PERFORMANCE HIGHLIGHTS: · Revenue for the year was INR 21547 Million, an increase of 4 % over last year. · EBITDA for the year wa

January 31, 2019 EX-99

Sify reports Revenues of INR 5732 Million for Third Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 788 Million

Exhibit 99.1 For immediate release Chennai, India, January 31, 2019 Sify reports Revenues of INR 5732 Million for Third Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 788 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5732 Million, an increase of 10% over the same quarter last year. · EBITDA for the quarter was INR 788 Million, an increase of 12% over the same quarter

January 31, 2019 6-K

SIFY / Sify Technologies Ltd. FORM 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2019 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

November 23, 2018 6-K

SIFY / Sify Technologies Ltd. FORM 6-K (Current Report of Foreign Issuer)

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 22, 2018 6-K

SIFY / Sify Technologies Ltd. 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

October 22, 2018 EX-99

Sify reports Revenues of INR 5509 Million for Second Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 771 Million

Exhibit 99.1 For immediate release Chennai, India, October 22, 2018 Sify reports Revenues of INR 5509 Million for Second Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 771 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 5509 Million, an increase of 14% over the same quarter last year. · EBITDA for the quarter was INR 771 Million, an increase of 8% over the same quarter

July 25, 2018 EX-99

Sify reports Revenues of INR 4683 Million for First Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 741 Million

Exhibit 99.1 For immediate release Chennai, India, July 25, 2018 Sify reports Revenues of INR 4683 Million for First Quarter of FY 2018-19 EBITDA for the Quarter stood at INR 741 Million PERFORMANCE HIGHLIGHTS: · Revenue for the quarter was INR 4683 Million, an increase of 3% over the same quarter last year. · EBITDA for the quarter was INR 741 Million, an increase of 6% over the same quarter last

July 25, 2018 6-K

SIFY / Sify Technologies Ltd. 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

June 20, 2018 EX-12

Rule 13a-14(a) Certification of Chief Executive Officer

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

June 20, 2018 EX-13

Section 1350 Certification of Chief Financial Officer

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 201

June 20, 2018 20-F

SIFY / Sify Technologies Ltd. 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2018. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

June 20, 2018 EX-15

Consent of ASA & Associates LLP in respect of the Sify Technologies Limited

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ‘Company’) of our report dated June 20, 2018 with respect to the consolidated statements of financial position of Sify Tec

June 20, 2018 EX-13

Section 1350 Certification of Chief Executive Officer

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2018,

June 20, 2018 EX-12

Rule 13a-14(a) Certification of Chief Financial Officer

Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

June 12, 2018 6-K

SIFY / Sify Technologies Ltd. 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

May 10, 2018 6-K

SIFY / Sify Technologies Ltd. 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

May 10, 2018 EX-99

Sify announces Dividend on Equity Shares of the company for the year 2017-18

Exhibit 99.1 For immediate release Sify announces Dividend on Equity Shares of the company for the year 2017-18 Chennai, May 10, 2018: Sify Technologies Limited (NASDAQ NM: SIFY), a leader in Managed Enterprise, Network, IT and Software services in India with global delivery capabilities, announced its Dividend payout to all holders of Equity and American Depository Shares of the company. Further

April 24, 2018 EX-99

Sify reports Revenues of INR 20686 Million for Financial Year 2017-18 EBITDA for the Year stood at INR 2856 Million Board has recommended a dividend of 12%

Exhibit 99.1 For immediate release Chennai, India, April 24, 2018 Sify reports Revenues of INR 20686 Million for Financial Year 2017-18 EBITDA for the Year stood at INR 2856 Million Board has recommended a dividend of 12% PERFORMANCE HIGHLIGHTS: · Revenue for the Year was INR 20686 Million, an increase of 12% over last year. · EBITDA for the Year was INR 2856 Million, an increase of 11% over last

April 24, 2018 6-K

SIFY / Sify Technologies Ltd. 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant’s name into English) Tidel Park, Second Floor No.

January 22, 2018 EX-99

Sify reports Revenues of INR 5228 Million for Third Quarter of FY 2017-18 EBITDA for the Quarter stood at INR 702 Million

Exhibit 99.1 For immediate release Chennai, India, January 22, 2018 Sify reports Revenues of INR 5228 Million for Third Quarter of FY 2017-18 EBITDA for the Quarter stood at INR 702 Million PERFORMANCE HIGHLIGHTS: ? Revenue for the quarter was INR 5228 Million, an increase of 13% over the same quarter last year. ? EBITDA for the quarter was INR 702 Million, approximately the same as the same quart

January 22, 2018 6-K

SIFY / Sify Technologies Ltd. (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2018 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

November 13, 2017 6-K

SIFY / Sify Technologies Ltd. (Current Report of Foreign Issuer)

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 24, 2017 EX-99

Sify reports Revenues of INR 4840 Million for Second Quarter of FY 2017-18 EBITDA for the Quarter stood at INR 716 Million

Exhibit 99.1 For immediate release Chennai, India, October 24, 2017 Sify reports Revenues of INR 4840 Million for Second Quarter of FY 2017-18 EBITDA for the Quarter stood at INR 716 Million PERFORMANCE HIGHLIGHTS: ? Revenue for the quarter was INR 4840 Million, an increase of 10% over the same quarter last year. ? EBITDA for the quarter was INR 716 Million, an increase of 13% over the same quarte

October 24, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 5, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) TIDEL Park, Second Floor No.

July 24, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

July 24, 2017 EX-99

Sify reports revenues of INR 4555 million for first quarter of FY 2017-18 EBITDA for the quarter stood at INR 699 million

Exhibit 99.1 For immediate release Sify reports revenues of INR 4555 million for first quarter of FY 2017-18 EBITDA for the quarter stood at INR 699 million Chennai, Monday, July 24, 2017: Sify Technologies Limited (NASDAQ: SIFY), a leader in Telecom and Data Center centric IT services in India with global delivery capabilities, today announced its consolidated results under International Financia

July 14, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

June 16, 2017 EX-15

Consent of Independent Registered Public Accounting Firm

Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and its subsidiaries (the ?Company?) of our report dated June 15, 2017 with respect to the consolidated statements of financial position of Sify Tec

June 16, 2017 EX-13

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.1 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, Raju Vegesna, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 2017,

June 16, 2017 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Or þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended March 31, 2017. Or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCH

June 16, 2017 EX-13

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

Exhibit 13.2 CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002. I, M P Vijay Kumar, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 20-F of Sify Technologies Limited for the year ended March 31, 201

June 16, 2017 EX-12

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

Exhibit 12.1 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, Raju Vegesna, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

June 16, 2017 EX-12

Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002

EX-12 4 ex12-2.htm Exhibit 12.2 Sify Technologies Limited Certification of Principal Executive Officer Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002 I, M P Vijay Kumar, certify that: 1. I have reviewed this annual report on Form 20-F of Sify Technologies Limited. 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material f

May 24, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

May 24, 2017 EX-99

Sify announces Dividend on Equity Shares of the company for the year 2016-17

Exhibit 99.1 For immediate release Sify announces Dividend on Equity Shares of the company for the year 2016-17 Chennai, May 22, 2017: Sify Technologies Limited (NASDAQ NM: SIFY), a leader in Managed Enterprise, Network, IT and Software services in India with global delivery capabilities, announced its Dividend payout to all holders of Equity and American Depository Shares of the company. Further

April 25, 2017 EX-99

Sify reports revenues of INR 18432 million for FY 2016-17 EBITDA for the year stood at INR 2570 million

Exhibit 99.1 For immediate release Sify reports revenues of INR 18432 million for FY 2016-17 EBITDA for the year stood at INR 2570 million Chennai, Tuesday, April 25, 2017: Sify Technologies Limited (NASDAQ: SIFY), a leader in Managed Enterprise, Network, IT and Software services in India with global delivery capabilities, today announced its consolidated results under International Financial Repo

April 25, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

January 25, 2017 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2017 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

January 25, 2017 EX-99

Sify reports revenues of INR 4635 million for third quarter of FY 2016-17 EBITDA for the quarter stood at INR 701 million

Exhibit 99.1 For immediate release Sify reports revenues of INR 4635 million for third quarter of FY 2016-17 EBITDA for the quarter stood at INR 701 million Chennai, Wednesday, January 25, 2017: Sify Technologies Limited (NASDAQ: SIFY), a leader in Managed Enterprise, Network, IT and Applications services in India with global delivery capabilities, today announced its consolidated results under In

December 30, 2016 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2016 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

November 3, 2016 6-K

Sify Technologies (Current Report of Foreign Issuer)

United States Securities and Exchange Commission Washington, DC 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the half-year ended September 30, 2016 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 19, 2016 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2016 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

October 19, 2016 EX-99

Sify reports revenues of INR 4392 million for second quarter of FY 2016-17 EBITDA for the quarter stood at INR 634 million

Exhibit 99.1 For immediate release Sify reports revenues of INR 4392 million for second quarter of FY 2016-17 EBITDA for the quarter stood at INR 634 million Chennai, Wednesday, October 19, 2016: Sify Technologies Limited (NASDAQ: SIFY), a leader in Managed Enterprise, Network, IT and Applications services in India with global delivery capabilities, today announced its consolidated results under I

July 20, 2016 EX-99

Sify reports revenues of INR 4170 million for first quarter of FY 2016-17 EBITDA for the quarter stood at INR 622 million

Exhibit 99.1 For immediate release Sify reports revenues of INR 4170 million for first quarter of FY 2016-17 EBITDA for the quarter stood at INR 622 million Chennai, Wednesday, July 20, 2016: Sify Technologies Limited (NASDAQ: SIFY), a leader in Managed Enterprise, Network, IT and Applications services in India with global delivery capabilities, today announced its consolidated results under Inter

July 20, 2016 6-K

Sify Technologies (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2016 Commission File Number 000-27663 SIFY TECHNOLOGIES LIMITED (Translation of registrant?s name into English) Tidel Park, Second Floor No.

June 22, 2016 EX-15

Consent of Independent Registered Public Accounting Firm

EX-15 7 ex15-1.htm Exhibit 15.1 Consent of Independent Registered Public Accounting Firm The Board of Directors Sify Technologies Limited We consent to the incorporation by reference in the registration statement (No. 333-165248) on Form S-8 of Sify Technologies Limited and subsidiaries (the ‘Company’) of our report dated June 22, 2016 with respect to the consolidated statement of financial positi

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