v3.26.1
Share-based payments (Details 2)
12 Months Ended
Mar. 31, 2026
₨ / shares
Mar. 31, 2025
₨ / shares
Mar. 31, 2024
₨ / shares
Mar. 31, 2023
₨ / shares
Disclosure of range of exercise prices of outstanding share options [line items]        
Number outstanding 472,728 1,341,682 6,329,187 6,972,978
Weighted average exercise price ₨ 74.13 ₨ 60.06 ₨ 90.12 ₨ 92.6
Number exercisable 390,000 1,043,802 5,183,587  
Weighted average exercise price ₨ 74.13 ₨ 60.06 ₨ 90.12  
Bottom of range [member]        
Disclosure of range of exercise prices of outstanding share options [line items]        
Range of exercise price ₨ 34.62 ₨ 34.62 ₨ 66.6  
Weighted average remaining contractual life 1 month 6 days 1 month 2 days 18 days  
Top of range [member]        
Disclosure of range of exercise prices of outstanding share options [line items]        
Range of exercise price ₨ 135.28 ₨ 135.28 ₨ 230.97  
Weighted average remaining contractual life 1 year 9 months 25 days 2 years 9 months 25 days 3 years 9 months 25 days