Sec Form 3 Filing - AGARWAL AJAY GIRIDHARILAL @ HDFC BANK LTD - 2026-03-30

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person AGARWAL AJAY GIRIDHARILAL 2. Issuer Name and Ticker or Trading Symbol HDFC BANK LTD [ HDB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Group Head - Secretarial (Last) (First) (Middle) HDFC BANK LIMITED, BANK HOUSE, SENAPATI BAPAT MARG, LOWER PAREL 3. Date of Earliest Transaction (MM/DD/YY) 03/30/2026 (Street) MUMBAI400013 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Equity Shares 327,234 D Equity Shares 10,840 I Spouse Equity Shares 20,000 I Son

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (Right to Buy) $ 10.63 ( 1 ) 09/18/2026 09/18/2030 Equity Shares 11,600 D Employee Stock Option (Right to Buy) $ 10.63 ( 1 ) 09/18/2027 09/18/2031 Equity Shares 15,400 D Employee Stock Option (Right to Buy) $ 10.63 ( 1 ) 09/18/2028 09/18/2032 Equity Shares 19,300 D Employee Stock Option (Right to Buy) $ 10.63 ( 1 ) 09/18/2029 09/18/2033 Equity Shares 30,710 D Employee Stock Option (Right to Buy) $ 5.92 ( 1 ) 09/04/2022 09/04/2027 Equity Shares 274,000 D Employee Stock Option (Right to Buy) $ 7.3 ( 1 ) 05/02/2023 05/02/2028 Equity Shares 2,716 D Employee Stock Option (Right to Buy) $ 7.3 ( 1 ) 05/02/2024 05/02/2029 Equity Shares 2,714 D Employee Stock Option (Right to Buy) $ 9.54 ( 1 ) 10/29/2025 10/29/2029 Equity Shares 13,400 D Employee Stock Option (Right to Buy) $ 9.54 ( 1 ) 10/29/2026 10/29/2030 Equity Shares 13,400 D Employee Stock Option (Right to Buy) $ 9.54 ( 1 ) 10/29/2027 10/29/2031 Equity Shares 13,400 D Employee Stock Option (Right to Buy) $ 9.54 ( 1 ) 10/29/2028 10/29/2032 Equity Shares 13,120 D Employee Stock Option (Right to Buy) $ 8.28 ( 1 ) 10/25/2024 10/25/2028 Equity Shares 32,600 D Employee Stock Option (Right to Buy) $ 8.28 ( 1 ) 10/25/2025 10/25/2029 Equity Shares 32,600 D Employee Stock Option (Right to Buy) $ 8.28 ( 1 ) 10/25/2026 10/25/2030 Equity Shares 33,620 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other AGARWAL AJAY GIRIDHARILAL HDFC BANK LIMITED, BANK HOUSE SENAPATI BAPAT MARG, LOWER PAREL MUMBAI400013 Group Head - Secretarial Signatures /s/ Dhanjit Thaivalappil, Attorney in fact for Agarwal Ajay Giridharilal 03/30/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Conversion rate as on March 30, 2026 applied: 1 INR= 0.011 USD

Remarks: Exhibit 24 - Power of Attorney Officer Title - Group Head- Group Oversight and Secretarial The equity shares of the Bank are listed on BSE (code is 500180) and NSE (code is HDFCBANK) This Form 3 is being filed late due to an administrative delay in obtaining the reporting person EDGAR filing credentials. With respect to the untimely filing of this Form 3, the reporting person intends to rely on the no action relief available to directors and officers of foreign private issuers pursuant to Question 6 of the Holding Foreign Insiders Accountable Act FAQ(added on March 12, 2026).

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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