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 March 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

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

This is further to the disclosure made by ICICI Bank Limited (Bank) on March 11, 2025, pursuant to which we had informed that the Board of Directors of ICICI Securities Limited (I-Sec) have approved March 24, 2025 as the ‘Record Date’ for the purposes of the Scheme.

As per the Scheme, “On and from the Record Date, the Subsidiary Company shall become a wholly owned subsidiary of the Holding Company and be deemed to have been delisted from the BSE and NSE”.

Consequently, effective today, I-Sec has become a wholly owned subsidiary of the Bank and is deemed to have been delisted from the stock exchanges.

We request you to take the same 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.