UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a -16 OR

15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-15002

ICICI Bank Limited
(Translation of registrant’s name into English)

ICICI Bank Towers,
Bandra-Kurla Complex
Mumbai, India 400 051
(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. 

Table of Contents

Items:

OTHER NEWS

Subject: Disclosure under Indian Listing Regulations

IBN 

ICICI Bank Limited (the ‘Bank’) Report on Form 6-K

ICICI Bank Limited (the Bank) had, vide its letter dated June 27, 2025, informed that its Board of Directors had approved amendment to ICICI Bank ADR Deposit Agreement, subject to approval of RBI, to grant voting rights pertaining to the Deposited Securities to the registered American Depository Shares (ADS) holders.

RBI has, vide its letter dated October 31, 2025, received by the Bank at 5:45 p.m., communicated its approval on the proposed amendment to the Deposit Agreement, with respect to exercise of voting rights by the Depository, subject to certain conditions.

The voting rights by the registered ADS holder would be subject to it demonstrating that its holdings are in conformity with Section 12B of the Banking Regulation Act, 1949 read with applicable Master Direction & Guidelines, as amended from time to time.

Please take the above information on record.  

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 authorised.