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Earnings per equity share (Tables) | 12 Months Ended
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Mar. 31, 2025
Weighted-average number of shares |
|  | As of March 31, |
|  | 2023 |  |  | 2024 |  |  | 2025 |
Weighted average number of equity shares used in computing basic earnings per equity share |  |  | 5,565,620,562 |  |  |  | 7,079,296,055 |  |  |  | 7,627,641,643 |
Effect of potential equity shares for stock options outstanding |  |  | 21,552,766 |  |  |  | 28,156,373 |  |  |  | 31,792,463 |
Weighted average number of equity shares used in computing diluted earnings per equity share |  |  | 5,587,173,328 |  |  |  | 7,107,452,428 |  |  |  | 7,659,434,106 |
Reconciliation of Earnings Per Share | The following are reconciliations of basic and diluted earnings per equity share and earnings per ADS.
|  | Fiscal years ended March 31, |
|  | 2023 |  |  | 2024 |  |  | 2025 |  |  | 2025 |
Basic earnings per share |  | Rs. | 89.02 |  |  | Rs. | 88.66 |  |  | Rs. | 90.01 |  |  | US$ | 1.05 |
Effect of potential equity shares for stock options outstanding |  |  | 0.34 |  |  |  | 0.35 |  |  |  | 0.38 |  |  |  | 0.01 |
Diluted earnings per share |  | Rs. | 88.68 |  |  | Rs. | 88.31 |  |  | Rs. | 89.63 |  |  | US$ | 1.04 |
Basic earnings per ADS |  | Rs. | 267.06 |  |  | Rs. | 265.98 |  |  | Rs. | 270.03 |  |  | US$ | 3.15 |
Effect of potential equity shares for stock options outstanding |  |  | 1.02 |  |  |  | 1.05 |  |  |  | 1.14 |  |  |  | 0.03 |
Diluted earnings per ADS |  | Rs. | 266.04 |  |  | Rs. | 264.93 |  |  | Rs. | 268.89 |  |  | US$ | 3.12 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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