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Financial Instruments - Summary of Significant Exchange Rates Applied (Detail) - $ / ₨	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Foreign Exchange Rates [Abstract]
Average exchange rate per unit	0.0135	0.0141
Reporting date rate per unit	0.0136	0.0134

X

- Definition

The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
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-URIDate 2020-01-01

+ Details

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X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2020-01-01

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Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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