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Schedule of unrecognized deferred tax assets (Details) - INR (₨)
₨ in Thousands
Mar. 31, 2023
Mar. 31, 2022
IfrsStatementLineItems [Line Items]    
Unrecognized deferred tax assets ₨ 2,905,155 ₨ 3,429,555
Temporary differences [member]    
IfrsStatementLineItems [Line Items]    
Unrecognized deferred tax assets 320,667 364,322
Unabsorbed depreciation [Member]    
IfrsStatementLineItems [Line Items]    
Unrecognized deferred tax assets ₨ 2,584,488 ₨ 3,065,233