v3.25.2
Share Based Payment - Summary of Terms and Conditions Relating to Grants under Share Incentive Plan (Detail) - Restricted Stock Units [Member] - shares
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Number of instruments 578,796 829,578 1,455,554
Vesting conditions Refer notes Refer notes Refer notes
Bottom of Range [Member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Contractual life 4 years 4 years 4 years
Top of Range [Member]      
Disclosure of terms and conditions of share-based payment arrangement [Line Items]      
Contractual life 8 years 8 years 8 years