Deferred income (Details) ₨ in Thousands, $ in Thousands	Mar. 31, 2018 INR (₨)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 INR (₨)
Disclosure Of Deferred Income [Abstract]
Deferred income	₨ 1,172,061	$ 18,021	₨ 1,216,706
Deferred income	₨ 1,172,061	$ 18,021	₨ 1,216,706

The amount of deferred income classified as current. [Refer: Deferred income]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78&doctype=Standard
-URIDate 2017-03-09

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