v3.26.1
Financial instruments (Details 3)
$ in Thousands, ₨ in Millions
12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
INR (₨)
Mar. 31, 2025
USD ($)
Disclosure of detailed information about financial instruments [line items]        
Nominal Amounts Of Hedging Instrument | $   $ 500   $ 1,500
Not later than one month [Member]        
Disclosure of detailed information about financial instruments [line items]        
Nominal Amounts Of Hedging Instrument ₨ 0   ₨ 0  
Later than one month and not later than three months [Member]        
Disclosure of detailed information about financial instruments [line items]        
Nominal Amounts Of Hedging Instrument 2   0  
Later than three months and not later than six months [Member]        
Disclosure of detailed information about financial instruments [line items]        
Nominal Amounts Of Hedging Instrument 0   0  
Later than six months and not later than one year [Member]        
Disclosure of detailed information about financial instruments [line items]        
Nominal Amounts Of Hedging Instrument ₨ 0   ₨ 0