Other assets - Summary Of Detailed Information About Other Assets (Detail) ₨ in Millions, $ in Millions	12 Months Ended
Mar. 31, 2020 INR (₨)	Mar. 31, 2019 INR (₨)	Mar. 31, 2020 USD ($)
Non-current
Prepaid expenses	₨ 4,535	₨ 6,323
Costs to obtain contract	4,030	4,212
Costs to fulfil contract	305
Others	3,065	5,337
Non-current non-financial asset	11,935	15,872
Current
Prepaid expenses	9,876	12,148
Due from officers and employees	310	871
Advance to suppliers	3,121	3,247
Balance with GST and other authorities	7,805	5,543
Cost to obtain contract	1,258	1,170
Others	135	107
Current non-financial asset	22,505	23,086	$ 299
Total	₨ 34,440	₨ 38,958

The amount of assets recognised from the costs to obtain or fulfil contracts with customers. The costs to obtain a contract with a customer are the incremental costs of obtaining the contract that the entity would not have incurred if the contract had not been obtained. The costs to fulfil a contract with a customer are the costs that relate directly to a contract or to an anticipated contract that the entity can specifically identify.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 128
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_128_a&doctype=Standard
-URIDate 2019-03-27