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þ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended March 31 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number : 1-15182 DR . REDDY'S LABORATORIES LIMITED ( Exact name of Registrant as specified in its charter ) Not Applicable ( Translation of Registrant's name into English ) TELANGANA , INDIA ( Jurisdiction of incorporation or organization ) 8-2-337 , Road No. 3 , Banjara Hills Hyderabad , Telangana 500 034 , India + 91-40-49002900 ( Address of principal executive offices ) Parag Agarwal , Chief Financial Officer , + 91-40-49002931 , parag.agarwal@drreddys.com 8-2-337 , Road No. 3 , Banjara Hills , Hyderabad , Telangana 500 034 , India ( Name , telephone , e - mail and / or facsimile number and address of company contact person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act . Title of Each Class American depositary shares , each representing one Equity Shares * * equity share Trading Symbol RDY Name of Each Exchange on which Registered New York Stock Exchange Not for trading , but only in connection with the registration of American depositary shares , pursuant to the requirements of the Securities and Exchange Commission .