Financial instruments (Details 4) - Currency swap contract [member] ₨ in Thousands	12 Months Ended
Mar. 31, 2022 INR (₨)	Mar. 31, 2021 INR (₨)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Disclosure of financial assets [line items]
Value of the outstanding term loan	₨ 330,750	₨ 367,500	$ 45,000	$ 50,000
Mark to Market losses/ (gain)	0	0
Tranche one [Member]
Disclosure of financial assets [line items]
Value of the outstanding term loan	132,300	147,000	18,000	20,000
Mark to Market losses/ (gain)	0	0
Tranche two undrawn [Member]
Disclosure of financial assets [line items]
Value of the outstanding term loan	198,450	220,500	$ 27,000	$ 30,000
Mark to Market losses/ (gain)	₨ 0	₨ 0

- Definition

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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