Exhibit 99.3

  Dr. Reddy’s Laboratories Ltd. 8-2-337, Road No. 3, Banjara Hills, Hyderabad - 500 034, Telangana,
India. CIN : L85195TG1984PLC004507     Tel      : +91 40 4900 2900 Fax     : +91 40 4900 2999 Email : mail@drreddys.com www.drreddys.com

Date: July 30, 2022

To,

The Secretary/Executive Director

BSE Limited

National Stock Exchange of India Limited

New York Stock Exchange, Inc.

NSE-IFSC Limited

Dear Sir/Madam,

Sub: Copies of newspaper advertisement regarding unaudited financial results for the quarter ended June 30, 2022

Pursuant to Regulation 47 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulation, 2015, as amended, please find enclosed copies of newspaper advertisement regarding the unaudited financial results of the company for the quarter ended June 30, 2022, as published in Business Standard and Andhra Prabha on July 28, 2022.

This is for your information and records

Thanking you.

Yours faithfully,

For Dr. Reddy’s Laboratories Limited

/s/ K Randhir Singh

K Randhir Singh

Company Secretary & Compliance Officer

Encl: as above