v3.26.1
Reconciliation of tax expense and accounting profit multiplied by tax rate (Details) (Parenthetical)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
India [member] | Bottom of range [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Applicable tax rate 25.17%   25.17%
India [member] | Top of range [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Applicable tax rate 26.00%   26.00%
Singapore [Member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Applicable tax rate 17.00% 17.00% 17.00%