Basis of preparation of financial statements (Details Textual)	Mar. 31, 2022 INRPerUSD
Basis of preparation of financial statements [Abstract]
Convenience Translation rate	75.87

Represents the convenience translation rate used by the entity.

No definition available.

Name:	rdy_ConvenienceTranslationRate
Namespace Prefix:	rdy_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant