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

March 26, 2018
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 announces the launch of Palonosetron Hydrochloride Injection in the U.S. Market”.

This is for your information.

With regards,

/s/ Sandeep Poddar

Sandeep Poddar

Company Secretary

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

	CONTACT
DR. REDDY'S LABORATORIES LTD. 8-2-337, Road No. 3, Banjara Hills, Hyderabad - 500034. Telangana, India.	Investor relationS	Media relationS
	Saunak SAVLA saunaks@drreddys.com (Ph: +91-40-49002135)	Calvin Printer calvinprinter@drreddys.com (Ph: +91-40- 49002121)

Dr. Reddy's Laboratories announces the launch of

Palonosetron Hydrochloride Injection in the U.S. Market

Hyderabad, India, March 26, 2018 For Immediate Release

Hyderabad, India and Princeton, NJ, USA. March 26, 2018— Dr. Reddy’s Laboratories Ltd. (BSE: 500124, NSE: DRREDDY, NYSE: RDY) announced today that it has launched Palonosetron Hydrochloride Injection, 0.25 mg (base)/ 5 mL, a therapeutic equivalent generic version of ALOXI^® (palonosetron hydrochloride) Injection approved by the U.S. Food and Drug Administration (USFDA).

The ALOXI^® brand and generic had U.S. sales of approximately $446 million MAT for the most recent twelve months ending in January 2018 according to IMS Health*.

Dr. Reddy’s Palonosetron Hydrochloride Injection is available in a strength of 0.25 mg/5 mL (free base) in a single-dose vial packaged in a carton containing one vial.

ALOXI^® is a registered trademark of Helsinn Healthcare SA.

*IMS National Sales Perspective: Retail and Non-Retail MAT January 2018

RDY-0318-196

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.

The company assumes no obligation to update any information contained herein.