v3.26.1
Operating leases (Details 1)
Sep. 30, 2025
Mar. 31, 2025
Mar. 31, 2024
Operating Leases      
Weighted-average remaining lease terms 3 years 3 days 4 years 8 months 23 days 3 years 6 months 14 days
Weighted-average discount rate 6.70% 6.70% 6.70%