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Stock - Activity in the RSU's outstanding under the various Employees' Stock Incentive Master Scheme (Detail) - Restricted Stock Units (RSUs) [Member] - ₨ / shares | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Schedule of Restricted Stock Shares Activity [Line Items] |  |  |
Weighted average fair value of RSUs granted during the year | ₨ 1 | ₨ 1 |
Employee Stock Incentive Master Scheme Two Thousand And Twenty Two [Member] |  |  |
Schedule of Restricted Stock Shares Activity [Line Items] |  |  |
RSUs outstanding, beginning of period | 11,721,804 | 2,891,000 | 0
Granted | 6,254,575 | 9,354,224 | 2,891,000
Exercised | (2,355,965) | (316,620) | 0
Forfeited | (683,831) | (203,500) | 0
Lapsed | (51,155) | (3,300) | 0
RSUs outstanding, end of period | 14,885,428 | 11,721,804 | 2,891,000
RSUs exercisable, end of period | 1,207,198 | 376,070 | 0
RSUs outstanding, beginning of period | ₨ 1 | ₨ 1 | ₨ 0
Granted | 1 | 1 | 1
Exercised | 1 | 1 | 0
Forfeited | 1 | 1 | 0
Lapsed | 1 | 1 | 0
RSUs outstanding, end of period | 1 | 1 | 1
RSUs exercisable, end of period | 1 | 1 |
Weighted average fair value of RSUs granted during the year | ₨ 1,724.68 | ₨ 1,565.43 | ₨ 1,382.34

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- Definition Share based compensation by share based award equity instruments other than options outstanding weighted average exercise price per share. + References No definition available. + Details
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- Definition Share based compensation by share based award equity instruments other than options excercised during the weighted average exercise price per share. + References No definition available. + Details
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- Definition Share based compensation by share based award equity instruments other than options forfeited during the period weighted weighted average exercise price per share. + References No definition available. + Details
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- Definition Share Based Compensation By Share Based Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price Per Share + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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