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 600 113, 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 of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

The Registrant issued a press release on July 16, 2025, announcing the Change of Depositary for ADR Program. A copy of this press release is attached hereto as Exhibit 99.1.

EXHIBIT INDEX

Exhibit

No.

99.1

Press Release announcing the Change of Depositary for ADR Program

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 16, 2025
	For Sify Technologies Limited

	By:	/s/ M P Vijay Kumar
		Name:	M P Vijay Kumar
		Title:	Executive director and
			Group Chief Financial Officer

SIFY TECHNOLOGIES LTD 6-K