Exhibit 99.1

  Dr. Reddys 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

July 26, 2023

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

BSE Limited (Stock Code: 500124)

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

NSE IFSC Ltd. (Stock Code: DRREDDY)

Dear Sir/ Madam,

Sub: Audio Recording of the Earnings call conducted on July 26, 2023

Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find below the link of the audio recording of the Earnings call for the quarter ended June 30, 2023, conducted on July 26, 2023.

Weblink: https://www.drreddys.com/investor#investor-meet

This is for your information and records.

Thanking you.

Yours faithfully,

For Dr. Reddy’s Labporatories Limited

/s/ K Randhir Singh

K Randhir Singh

Company Secretary, Compliance Officer & Head-CSR