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Stock - RSUs outstanding, Employees Stock Incentive Master Scheme (Detail) - Restricted Stock Units (RSUs) [Member] - Employee Stock Incentive Master Scheme Two Thousand And Twenty Two - ₨ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Share Based Payment Arrangement Equity Instruments Other Than Options Exercise Price Range [Line Items] |  |  |  |
Number of shares arising out of units | 14,885,428 | 11,721,804 | 2,891,000 | 0
Weighted average remaining life (years) | 2 years 4 months 9 days |  |  |
Weighted average exercise price | ₨ 1 |  |  |

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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (e)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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