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.
| ICICI Bank Limited ICICI Bank Towers Bandra-Kurla Complex Mumbai 400 051, India. | Tel.: 022- 4008 8900 Email:companysecretary@icicibank.com Website www.icicibank.com CIN.: L65190GJ1994PLC021012 | Regd. Office: ICICI Bank Tower, Near Chakli Circle, Old Padra Road, Vadodara 390007. India |

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.
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For
ICICI Bank Limited |
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| Date: |
November 1, 2025 |
By: |
/s/ Vivek Ranjan |
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Name: |
Vivek Ranjan
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Title: |
Associate Leadership Team
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| ICICI Bank Limited ICICI Bank Towers Bandra-Kurla Complex Mumbai 400 051, India. | Tel.: 022- 4008 8900 Email:companysecretary@icicibank.com Website www.icicibank.com CIN.: L65190GJ1994PLC021012 | Regd. Office: ICICI Bank Tower, Near Chakli Circle, Old Padra Road, Vadodara 390007. India |