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Earnings Per Equity Share - Additional Information (Detail) - ₨ / shares | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 08, 2019 | Jun. 15, 2017
Earnings per share [abstract] |  |  |  |  |
Bonus issue ratio | 0.00% | 33.33% | 100.00% |  |
Par value per share | ₨ 2 | ₨ 2 | ₨ 2 | ₨ 2 | ₨ 2

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- References No definition available. + Details
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- Definition The nominal value per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Bonus issue ratio. + References No definition available. + Details
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