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Other capital reserve (Details Narrative)
 12 Months Ended
Mar. 31, 2023
INR (₨)
shares
Mar. 31, 2022
INR (₨)
shares
Mar. 31, 2021
INR (₨)
shares
₨ / shares
Mar. 31, 2023
$ / shares
Mar. 31, 2023
INR (₨)
shares
₨ / shares
Mar. 31, 2022
$ / shares
Mar. 31, 2022
INR (₨)
shares
₨ / shares
Dec. 13, 2016
shares
Share plan 2006 and india share plan 2006 [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement     219,986   203,855   204,224  
Weighted average remaining contractual life of outstanding share options 1 year 3 months 29 days 2 years 3 months 29 days            
Weighted average exercise price of share options outstanding in share-based payment arrangement | (per share)     ₨ 318.33 [1] $ 82.19 ₨ 356.65 $ 82.19 ₨ 329.33 [1]  
Number of share options granted in share-based payment arrangement            
Share plan 2006 and india share plan 2006 [member] | Employees stock options [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement         203,855      
Share plan 2006 and india share plan 2006 [member] | Employees stock options [member] | Bottom of range [member]                
IfrsStatementLineItems [Line Items]                
Weighted average exercise price of share options outstanding in share-based payment arrangement | (per share)       4.34 ₨ 356.65 4.34 329.23  
Share plan 2006 and india share plan 2006 [member] | Employees stock options [member] | Top of range [member]                
IfrsStatementLineItems [Line Items]                
Weighted average exercise price of share options outstanding in share-based payment arrangement | (per share)           5.42 411.54  
Share plan 2006 and india share plan 2006 [member] | Employees stock options [member] | Share plan 2006 and india share plan 2006 [member]                
IfrsStatementLineItems [Line Items]                
Percentage Of Shares To Vest Upon Certain Criteria 50.00%              
Share plan 2006 and india share plan 2006 [member] | Employee Stock Option [Member] | 2015 milestones [member]                
IfrsStatementLineItems [Line Items]                
Percentage Of Shares To Vest Upon Certain Criteria 25.00%              
Share plan 2006 and india share plan 2006 [member] | Employee Stock Option [Member] | 2016 Milestones [Member]                
IfrsStatementLineItems [Line Items]                
Percentage Of Shares To Vest Upon Certain Criteria 25.00%              
Stock option and incentive plan 2016 [member]                
IfrsStatementLineItems [Line Items]                
Weighted average remaining contractual life of outstanding share options 5 years 3 months 18 days 6 years 2 months 4 days            
Stock option and incentive plan 2016 [member] | Employees stock options [member]                
IfrsStatementLineItems [Line Items]                
Number of shares reserved for issue under options and contracts for sale of shares               7,671,517
Expense from share-based payment transactions with employees | ₨ ₨ 1,568,000 ₨ 11,192,000 ₨ 10,987,000          
Stock option and incentive plan 2016 [member] | Employees stock options [member] | Bottom of range [member]                
IfrsStatementLineItems [Line Items]                
Weighted average exercise price of share options outstanding in share-based payment arrangement | (per share)       2.00 164.38 2.00 151.74  
Stock option and incentive plan 2016 [member] | Employees stock options [member] | Top of range [member]                
IfrsStatementLineItems [Line Items]                
Weighted average exercise price of share options outstanding in share-based payment arrangement | (per share)       10.00 ₨ 821.90 $ 10.00 ₨ 758.70  
Stock option and incentive plan 2016 [member] | Employees stock options [member] | Vesting schedule one [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement         197,749      
Stock option and incentive plan 2016 [member] | Employees stock options [member] | Vesting schedule two [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement         21,769      
Stock option and incentive plan 2016 [member] | Employee Stock Option [Member] | Vesting schedule three [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement         466,100      
2016 stock option and incentive plan [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement     681,227   271,370   407,323  
Weighted average exercise price of share options outstanding in share-based payment arrangement | ₨ / shares     ₨ 293.23 [2]   ₨ 259.07   ₨ 246.66 [2]  
Number of share options granted in share-based payment arrangement            
2016 stock option and incentive plan [member] | Employee Stock Option [Member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement         271,370   407,323  
Restricted stock unit and performance stock units 2016 plan [member] | Restricted stock units rsus [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 1,981,685 2,093,188            
Number of other equity instruments outstanding in share-based payment arrangement         3,619,769   2,762,509  
Restricted stock unit 2016 plan [member]                
IfrsStatementLineItems [Line Items]                
Expense from share-based payment transactions with employees | ₨ ₨ 138,196,000 ₨ 198,366,000 ₨ 66,113,000          
Weighted average remaining contractual life 1 year 9 months 25 days 2 years 2 months 26 days            
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule one [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 7,277              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule two [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 5,000              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule three [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 687,857              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule four [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 1,609,934              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule four [member] | Bottom of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       10.00        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule four [member] | Top of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       1.80        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule five [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 692,000              
Reserve of share-based payments | ₨         ₨ 29,793      
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule six [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 1,280,154              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule six [member] | Bottom of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       4.00        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule six [member] | Top of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       2.50        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule seven [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 67,877              
Reserve of share-based payments | ₨             ₨ 121,034  
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule eight [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 649,500              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule nine [member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 1,248,185              
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule nine [member] | Bottom of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       4.00        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting schedule nine [member] | Top of range [member]                
IfrsStatementLineItems [Line Items]                
[custom:SharesPrice-0] | $ / shares       2.50        
Restricted stock unit 2016 plan [member] | Restricted stock units rsus [member] | Vesting Schedule Ten [Member]                
IfrsStatementLineItems [Line Items]                
Number of other equity instruments granted in share-based payment arrangement 84,000              
Share based compensation equity instruments [Member]                
IfrsStatementLineItems [Line Items]                
Number of shares reserved for issue under options and contracts for sale of shares     1,844   1,844   1,844  
[custom:SharesReservedForIssueUnderOptionsAndContractsForSaleOfSharesExercisePrice-0] | (per share)       $ 5.42 ₨ 445.81      
Ordinary shares [member] | Share plan 2006 and india share plan 2006 [member]                
IfrsStatementLineItems [Line Items]                
Number of shares reserved for issue under options and contracts for sale of shares         1,316,765   1,316,765  
Ordinary shares [member] | Share plan 2006 and india share plan 2006 [member] | Employees stock options [member]                
IfrsStatementLineItems [Line Items]                
Number of share options outstanding in share-based payment arrangement             204,224  
[1] The weighted average exercise price per share is fixed in USD. The amount disclosed in INR are determined by multiplying exercise price per share in USD by exchange rate of INR 82.19 per USD as at March 31, 2023 (March 31, 2022 INR 82.19 per USD).
[2] The weighted average exercise price per share is fixed in USD. The amount disclosed in INR are determined by multiplying exercise price per share in USD by exchange rate of INR 82.19 per USD as at March 31, 2023 (March 31, 2022 INR 82.19 per USD).