v3.26.1
Employee benefits (Details 5) - Employee benefit obligations [Member] - Parent Company Gratuity plan [member]
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Actuarial assumptions to determine benefit obligations [Line Items]      
Discount rate 6.90% 6.65% 7.15%
Rate of compensation increase 8.00% 8.10% 8.10%