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Accumulated other comprehensive income
 12 Months Ended
Mar. 31, 2023
Accumulated other comprehensive income
18. Accumulated other comprehensive income
The below table presents the changes in AOCI after income tax for the fiscal years ended March 31, 2022 and March 31, 2023.
 
                     
                     
                     
 
  
AFS debt securities
 
  
Foreign currency
translation reserve
 
  
Total
 
 
  
 
 
  
 
 
  
 
 
 
  
(In millions)
 
                                                                                     
Balance, March 31, 2021
   
Rs.  
25,212.9
 
   
Rs.  
1,973.4
 
   
Rs.  
27,186.3
 
Net unrealized gain/(loss) arising during the period
   
 
(36,088.6
)
   
 
1,297.5
 
   
 
(34,791.1
)
Amounts reclassified to income
   
 
(10,187.7
)
   
 
—  
 
   
 
(10,187.7
)
    
 
 
     
 
 
     
 
 
  
Balance, March 31, 2022
   
Rs.  
(21,063.4
)
   
Rs.  
3,270.9
 
   
Rs.  
(17,792.5
)
    
 
 
     
 
 
     
 
 
  
 
                     
                     
                     
 
  
AFS debt securities
 
  
Foreign currency
translation reserve
 
  
Total
 
 
  
 
 
  
 
 
  
 
 
 
  
(In millions)
 
Balance, March 31, 2022
   
Rs.  
(21,063.4
) 
   
Rs.  
3,270.9
 
   
Rs.  
(17,792.5
) 
Net unrealized gain/(loss) arising during the period
   
 
(52,522.8
 )
 
   
 
3,378.5
 
   
 
(49,144.3
 )
 
Amounts reclassified to income
   
 
(1,336.9
 )
 
   
 
—  
 
   
 
(1,336.9
 )
 
Balance, March 31, 2023
   
Rs.  
(74,923.1
 )
 
   
Rs.  
6,649.4
 
   
Rs.  
(68,273.7
 )
 
    
 
 
     
 
 
     
 
 
  
Balance, March 31, 2023
   
US$  
(911.6
 )
 
   
US$  
80.9
 
   
US$  
(830.7
 )
 
    
 
 
     
 
 
     
 
 
  
 
 
The below table presents the reclassification out of AOCI by income line item and the related income tax effect for the fiscal years ended March 31, 2022 and March 31, 2023.
 
 
  
As of March 31,
 
 
  
2022
 
  
2023
 
  
2023
 
 
  
 
 
  
 
 
  
 
 
 
  
(In millions)
 
AFS debt securities:
                          
Realized (gain)/loss on sales of AFS debt securities, net
   Rs. (10,699.4 )    Rs.   (1,857.5 )     US$     (22.7 ) 
Allowance on AFS debt securities
     (2,915.1 )      70.9        0.9  
   
 
 
     
 
 
     
 
 
  
Total before income tax
   Rs.   (13,614.5 )    Rs.   (1,786.6 )     US$     (21.8 ) 
Income tax
     3,426.8        449.7        5.5  
   
 
 
     
 
 
     
 
 
  
Net of income tax
   Rs. (10,187.7 )    Rs.   (1,336.9 )     US$     (16.3 )