Lease prepayments (Details Textual) ₨ in Thousands, $ in Thousands	Mar. 31, 2018 INR (₨)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 INR (₨)
Disclosure Of Lease Prepayments [Line Items]
Non-current lease prepayments	₨ 1,344,845	$ 20,677	₨ 1,017,623
Right-of-use assets [member]
Disclosure Of Lease Prepayments [Line Items]
Non-current lease prepayments	₨ 1,321,247		₨ 988,599

The amount of non-current prepayments for leases. [Refer: Non-current prepayments]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_NoncurrentLeasePrepayments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant