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 August 2023

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

OTHER NEWS

Subject: Disclosure under Indian Listing Regulations

IBN

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

The Bank has made the below announcement to the Indian stock exchanges:

The Bank, in its disclosure filed with the stock exchanges on May 28, 2023, had communicated that its Board of Directors had approved an increase in the shareholding in ICICI Lombard General Insurance Company Limited (“Company”), in multiple tranches up to 4.0% additional shareholding, as permissible under applicable law, to ensure compliance with Section 19(2) of the Banking Regulation Act, 1949 and make the Company, a subsidiary of the Bank, subject to receipt of necessary regulatory approval(s).

We wish to inform you that yesterday i.e. on August 4, 2023 in the afternoon the Bank has received the approval from Reserve Bank of India in connection with the above. Certain other statutory/regulatory approval(s) are awaited.

We request you to take note of the above.

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.