Exhibit 13

Certification Pursuant to

18 U.S.C. Section 1350

As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 20-F of HDFC Bank Limited, a company organized under the laws of India (the “Company”) for the period ending March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of such officer’s knowledge, that:

1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of March 31, 2023 and for the periods presented in the Report.

The foregoing certification is provided solely for the purposes of complying with the provisions of Section 906 of the Sarbanes-Oxley Act of 2002 and is not intended to be used or relied upon for any other purpose.

Dated: June 29, 2023	/s/ Sashidhar Jagdishan
	Sashidhar Jagdishan
	Managing Director and Chief Executive Officer
Dated: June 29, 2023	/s/ Srinivasan Vaidyanathan
	Srinivasan Vaidyanathan
	Chief Financial Officer