EXHIBIT 13.1

CERTIFICATION

Pursuant to 18 U.S.C. Section 1350, each of the undersigned officers of Tata Motors Limited (the “Company”) hereby certifies, to such officer’s knowledge, that:

i. the Company’s annual report on Form 20-F for the year ended March 31, 2023 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

ii. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: June 12, 2023

/s/ Girish Wagh

Girish Wagh

Executive Director

/s/ P. B. Balaji

P. B. Balaji

Group Chief Financial Officer