Exhibit 99.1

  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

June 19, 2023

National Stock Exchange of India Ltd. (Scrip Code: DRREDDY-EQ)

BSE Limited (Scrip Code: 500124)

Dear Sirs,

Sub: Newspaper advertisement

Pursuant to Regulation 47 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed copies of the newspaper advertisement with respect to the deduction of tax at source on dividend pay-out to shareholders, as published in Business Standard and Nava Telangana. This communication has also been sent via email to all the shareholders.

This is for your information.

With regards, 

For Dr. Reddy’s Laboratories Limited

/s/ K Randhir Singh

K Randhir Singh

Company Secretary, Compliance Officer and Head CSR

Encl: As above

CC:- New York Stock Exchange Inc.(Stock Code :RDY)

         NSE IFSC Ltd.