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 May 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

IBN

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

This is with regards to the following foreign currency bonds issued by ICICI Bank Limited (the Bank) under the Bank’s Global Medium Term Note programme and currently listed on Singapore Exchange Securities Trading Limited and the Global Securities Market platform at India International Exchange (IFSC) Limited (India INX):

The Bank has done a secondary listing of these bonds on the debt securities platform of NSE International Exchange (NSE IX).

We request you to kindly 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.