XML 152 R138.htm IDEA: XBRL DOCUMENT
v3.22.1

Share-based payments (Details 2) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2022 ₨ / shares | Mar. 31, 2022 $ / shares | Mar. 31, 2022 yr | Mar. 31, 2021 ₨ / shares | Mar. 31, 2021 $ / shares | Mar. 31, 2021 yr | Mar. 31, 2020 ₨ / shares | Mar. 31, 2020 $ / shares | Mar. 31, 2020 yr | Mar. 31, 2019 ₨ / shares
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number outstanding | 7,232,978 | 7,780,278 | 11,056,100 |  |  | 7,232,978 |  |  | 7,780,278 |  |  | 11,056,100 | 4,588,300
Weighted average exercise price |  |  |  |  | $ 87.82 |  |  | $ 86.13 |  |  | $ 70.9 |  |
Number exercisable | 8,771,360 | 6,582,070 | 4,281,090 |  |  | 8,771,360 |  |  | 6,582,070 |  |  | 4,281,090 |
Weighted average exercise price | (per share) |  |  |  | ₨ 87.82 | 87.82 |  | ₨ 86.13 | 86.13 |  | ₨ 70.9 | 70.9 |  | ₨ 78.84
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Range of exercise price |  |  |  |  | 57.66 |  |  | 57.66 |  |  | 57.66 |  |
Weighted average remaining contractual life | 9 months 18 days | 6 months 18 days | 9 months 18 days |  |  |  |  |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Range of exercise price |  |  |  |  | $ 230.97 |  |  | $ 152.56 |  |  | $ 146.23 |  |
Weighted average remaining contractual life | 4 years 6 months 29 days | 4 years 9 months 29 days | 4 years 10 months 2 days |  |  |  |  |  |  |  |  |  |

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