Changes in inventories of finished goods - Summary of Changes in Inventories of Finished Goods (Details) - 12 months ended Mar. 31, 2025 ₨ in Millions, $ in Millions	INR (₨)	USD ($)	USD ($)
Disclosure of detailed information about property, plant and equipment [line items]
Closing balance of inventories	₨ 1,875		$ 22
Increase in inventory	(1,875)	$ (22)
Finished Goods
Disclosure of detailed information about property, plant and equipment [line items]
Closing balance of inventories	1,875		$ 22
Increase in inventory	₨ (1,875)	$ (22)

The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph g
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_g&doctype=Standard
-URIDate 2024-03-27

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