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v3.25.1

Share-based payments (Details 2) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2025 ₨ / shares | Mar. 31, 2024 ₨ / shares | Mar. 31, 2023 ₨ / shares | Mar. 31, 2022 ₨ / shares
Statements [Line Items] |  |  |  |
Number outstanding | 1,341,682 | 6,329,187 | 6,972,978 | 7,232,978
Number exercisable | 1,043,802 | 5,183,587 | 5,584,478 |
Weighted average exercise price | ₨ 60.06 | ₨ 90.12 | ₨ 92.6 | ₨ 87.82
Bottom of range [member] |  |  |  |
Statements [Line Items] |  |  |  |
Range of exercise price | 34.62 | 66.6 | 66.6 |
Weighted average exercise price | ₨ 60.06 | ₨ 90.12 | ₨ 92.6 |
Weighted average remaining contractual life | 1 month 2 days | 18 days | 21 days |
Top of range [member] |  |  |  |
Statements [Line Items] |  |  |  |
Range of exercise price | ₨ 135.28 | ₨ 230.97 | ₨ 230.97 |
Weighted average remaining contractual life | 2 years 9 months 25 days | 3 years 9 months 25 days | 4 years 9 months 25 days |

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