v3.26.1
Cover Page
 12 Months Ended
Mar. 31, 2026
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Document Fiscal Period Focus FY
Entity Registrant Name DR. REDDY’S LABORATORIES LIMITED
Entity Central Index Key 0001135951
Current Fiscal Year End Date --03-31
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 834,656,970
Entity Shell Company false
Entity Emerging Growth Company false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Entity Interactive Data Current Yes
ICFR Auditor Attestation Flag true
Entity File Number 1-15182
Entity Address, Address Line One 8-2-337
Entity Address, Address Line Two Road No. 3
Entity Address, Address Line Three Banjara Hills
Entity Address, City or Town Hyderabad
Entity Address, Country IN
Entity Address, Postal Zip Code 500 034
Entity Incorporation, State or Country Code K7
Document Accounting Standard International Financial Reporting Standards
Auditor Name Ernst & Young Associates LLP
Auditor Firm ID 1712
Auditor Location Hyderabad, India
Document Financial Statement Error Correction [Flag] false
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name M.V. Narasimham
Contact Personnel Email Address narasimhammv@drreddys.com
Entity Address, Address Line One 8-2-337
Entity Address, Address Line Two Road No. 3
Entity Address, Address Line Three Banjara Hills
Entity Address, City or Town Hyderabad
Entity Address, Country IN
Entity Address, Postal Zip Code 500 034
Country Region 91
City Area Code 40
Local Phone Number 66022564
American depositary shares [Member]  
Document Information [Line Items]  
Trading Symbol RDY
Title of 12(b) Security American depositary shares, eachrepresenting one equity share
Security Exchange Name NYSE