Revenue (Details) ₨ in Thousands, $ in Thousands	12 Months Ended
Mar. 31, 2022 INR (₨)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 INR (₨)	Mar. 31, 2020 INR (₨)
Rendering of services
Service revenue	₨ 25,329,497		₨ 21,718,351	₨ 20,449,123
Installation service revenue	330,129		317,395	676,658
Revenue from rendering of services	25,659,626	$ 338,486	22,035,746	21,125,781
Sale of products	1,366,049	18,020	2,283,796	1,826,286
Revenue	₨ 27,025,675	$ 356,506	₨ 24,319,542	₨ 22,952,067

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details