Employee benefits (Details 2) - INR (₨) ₨ in Thousands	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Disclosure Of Employee Benefits [Line Items]
Projected benefit obligation at the end of the year	₨ 216,006	₨ 177,098	₨ 156,412	₨ 145,108
Plan assets at the end of the year	(138,268)	(40,651)	₨ (30,474)	₨ (25,498)
Funded status amount of liability recognised in the Balance Sheet	₨ 77,738	₨ 136,447

The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 140
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_LiabilityAssetOfDefinedBenefitPlans
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant