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

November 19, 2020

Corporate Relationship Department	National Stock Exchange of India Ltd.
BSE Limited	“Exchange Plaza”
Dalal Street, Fort	Bandra-Kurla Complex, Bandra (East),
Mumbai – 400 001	Mumbai – 400 051
Fax Nos.: 022-22723121 / 22723719 /	Fax Nos.: 022-26598120/ 26598237/
22722037 / 22722039	26598238
Scrip Code: 500124	Scrip Code: DRREDDY-EQ

Dear Sirs,

Sub: Intimation

This is to inform you that Dr. Reddy' s Laboratories Limited has commenced a detailed investigation into an anonymous complaint. The complaint alleges that healthcare professionals in Ukraine and potentially in other countries were provided with improper benefits in violation of

U.S. laws.

The investigation is being carried out by a reputed independent U.S. law firm."

This is for your information.

With regards,

/s/ Sandeep Poddar

Sandeep Poddar

Company Secretary

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