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 13, 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: Press Release

Please find enclosed a Press Release on “Dr. Reddy's Laboratories enters into a Licensing Agreement with Gilead Sciences for Remdesivir.”

This is for your information.

With regards,

/s/ Sandeep Poddar

Sandeep Poddar

Company Secretary

Encl: As above

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

	CONTACT
DR. REDDY'S LABORATORIES LTD.	Investor relationS	Media relationS
8-2-337, Road No. 3, Banjara Hills,	AMIT AGARWAL	APARNA TEKURI
Hyderabad - 500034. Telangana, India.	amita@drreddys.com	aparnatekuri@drreddys.com
	(Ph: +91-40-49002135)	(Ph: +91-40- 49002446)

Dr. Reddy's Laboratories enters into a Licensing Agreement

with Gilead Sciences for Remdesivir

Hyderabad, India, June 13, 2020 For Immediate Release

Hyderabad, India and Princeton, NJ, USA. June 13, 2020 - “Dr. Reddy's Laboratories Ltd. (BSE: 500124, NSE: DRREDDY, NYSE: RDY, along with its subsidiaries together referred to as “Dr. Reddy’s”) today announced that it has entered into a non-exclusive Licensing Agreement with Gilead Sciences, Inc. (Gilead) that will grant Dr. Reddy’s the right to register, manufacture and sell Gilead’s investigational drug, Remdesivir, a potential treatment for Covid-19, in 127 countries including India.

Dr. Reddy’s will receive technology transfer from Gilead for manufacturing of this drug. Dr. Reddy’s would need to do the manufacturing scale up and obtain regulatory approval for marketing of this drug in respective countries.

Remdesivir, an investigational antiviral therapy developed by Gilead, received Emergency Use Authorization (EUA) by the U.S. Food and Drug Administration (USFDA) to treat Covid-19.

About Dr. Reddy’s: Dr. Reddy’s Laboratories Ltd. (BSE: 500124, NSE: DRREDDY, NYSE: RDY) is an integrated pharmaceutical company, committed to providing affordable and innovative medicines for healthier lives. Through its three businesses - Pharmaceutical Services & Active Ingredients, Global Generics and Proprietary Products – Dr. Reddy’s offers a portfolio of products and services including APIs, custom pharmaceutical services, generics, biosimilars and differentiated formulations. Our major therapeutic areas of focus are gastrointestinal, cardiovascular, diabetology, oncology, pain management and dermatology. Dr. Reddy’s operates in markets across the globe. Our major markets include – USA, India, Russia & CIS countries, and Europe. For more information, log on to: www.drreddys.com

Disclaimer: This press release may include statements of future expectations and other forward-looking statements that are based on the management’s current views and assumptions and involve known or unknown risks and uncertainties that could cause actual results, performance or events to differ materially from those expressed or implied in such statements. In addition to statements which are forward-looking by reason of context, the words "may", "will", "should", "expects", "plans", "intends", "anticipates", "believes", "estimates", "predicts", "potential", or "continue" and similar expressions identify forward-looking statements. Actual results, performance or events may differ materially from those in such statements due to without limitation, (i) general economic conditions such as performance of financial markets, credit defaults , currency exchange rates, interest rates, persistency levels and frequency / severity of insured loss events, (ii) mortality and morbidity levels and trends, (iii) changing levels of competition and general competitive factors, (iv) changes in laws and regulations and in the policies of central banks and/or governments, (v) the impact of acquisitions or reorganization, including related integration issues, and (vi) the susceptibility of our industry and the markets addressed by our, and our customers’, products and services to economic downturns as a result of natural disasters, epidemics, pandemics or other widespread illness, including coronavirus (or COVID-19), and (vii) other risks and uncertainties identified in our public filings with the Securities and Exchange Commission, including those listed under the "Risk Factors" and "Forward-Looking Statements" sections of our Annual Report on Form 20-F for the year ended March 31, 2019. The company assumes no obligation to update any information contained herein.”