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 January 2026

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

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

Call with media on financial results for the quarter and nine months ended December 31, 2025

The Bank will host a conference call with media at 4:00 p.m. (IST) on January 17, 2026, to discuss the financial results of the Bank for the quarter and nine months ended December 31, 2025.

Dial-in details of the call will be shared with the participants.

Earnings call on financial results for the quarter and nine months ended December 31, 2025

The Bank will host an earnings call with analysts and investors at 5:00 p.m. (IST) on January 17, 2026 to discuss the financial results of the Bank for the quarter and nine months ended December 31, 2025.

The dial-in details for the conference call are given below:

The audio recording and transcript of the above calls will be posted on the Bank's website at https://www.icici.bank.in.

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.