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Summary of foreign currency sensitivity (Details) (Parenthetical) - Currency risk [member]
Mar. 31, 2023
United States Of America Dollars Against India Rupees [Member]  
IfrsStatementLineItems [Line Items]  
Foreign Currency Sensitivity, Percentage of Reasonably Possible Change in Actuarial Assumption 5.00%
United Kingdom Pounds Against India Rupees [Member]  
IfrsStatementLineItems [Line Items]  
Foreign Currency Sensitivity, Percentage of Reasonably Possible Change in Actuarial Assumption 5.00%
Euro Member Countries Euro Against India Rupees [Member]  
IfrsStatementLineItems [Line Items]  
Foreign Currency Sensitivity, Percentage of Reasonably Possible Change in Actuarial Assumption 5.00%
Singapore Dollars Against India Rupees [Member]  
IfrsStatementLineItems [Line Items]  
Foreign Currency Sensitivity, Percentage of Reasonably Possible Change in Actuarial Assumption 5.00%