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Schedule of actuarial assumptions used for estimating defined benefit obligations (Details)
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
IfrsStatementLineItems [Line Items]    
Actuarial assumption of discount rates 7.10% 5.45%
Actuarial assumption of expected rates of salary increases 5.00% 5.00%
Actuarial assumption of retirement age 58 years 58 years
[custom:ActuarialAssumptionOfMortality] [1] IALM* (2012-14) Ultimate  
Upto 30 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates 31.00%  
From 31 to 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates 61.00%  
Above 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates 8.00%  
Bottom of range [member]    
IfrsStatementLineItems [Line Items]    
Expected Average Future Working Term, Defined Benefit Liability (Asset) 1 year 9 months 10 days 1 year 6 months 21 days
Bottom of range [member] | Upto 30 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   22.00%
Bottom of range [member] | From 31 to 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   57.00%
Bottom of range [member] | Above 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   9.00%
Top of range [member]    
IfrsStatementLineItems [Line Items]    
Expected Average Future Working Term, Defined Benefit Liability (Asset) 5 years 5 months 12 days 5 years 10 months 6 days
Top of range [member] | Upto 30 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   26.00%
Top of range [member] | From 31 to 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   65.00%
Top of range [member] | Above 44 Years [Member]    
IfrsStatementLineItems [Line Items]    
Actuarial Assumptions of Withdrawal Rates   21.00%
[1] Indian Assured Lives Mortality (2012-14) Ultimate represents published mortality table used for mortality assumption.