Financial instruments (Details 9) - Level 3 of fair value hierarchy [member] - INR (₨) ₨ in Thousands	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Forward contract [member]
Liabilities
Derivative financial liabilities		₨ 326
Interest rate swap contract [member]
Liabilities
Derivative financial liabilities	₨ 8,079	₨ 102

The gains (losses) recognised in profit or loss for liabilities measured at fair value that are attributable to the change in unrealised gains or losses relating to those liabilities held at the end of the reporting period. [Refer: At fair value [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2020-01-01
-Paragraph 93
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_f&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration