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The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of non-current investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Non-current assets; Investments other than investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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No definition available.

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Other investments (Details) ₨ in Thousands, $ in Thousands	Mar. 31, 2021 INR (₨)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 INR (₨)
Investment in debt securities - unquoted
Investments in subsidiaries, joint ventures and associates	₨ 212,238	$ 2,887	₨ 211,972
Vashi Railway Station Commercial Complex Limited [Member]
Investment in equity instruments - unquoted
Investment in equity shares	150		150
Sarayu Clean Gen Private Limited [Member]
Investment in equity instruments - unquoted
Investment in equity shares	1,560		1,560
Attala Systems Corporation [Member]
Investment in debt securities - unquoted
Investment	205,015		₨ 210,262
The Gizmo App Company [Member]
Investment in debt securities - unquoted
Investment	₨ 5,513