XML 71 R61.htm IDEA: XBRL DOCUMENT v3.22.2
Earnings per equity share (Tables)
12 Months Ended
Mar. 31, 2022
Weighted-average number of shares
 
    
As of March 31,
 
    
2020
    
2021
    
2022
 
Weighted average number of equity shares used in computing basic earnings per equity share
     5,468,802,148        5,499,587,357        5,533,113,800  
Effect of potential equity shares for stock options outstanding
     36,990,405        23,890,989        30,366,023  
    
 
 
    
 
 
    
 
 
 
Weighted average number of equity shares used in computing diluted earnings per equity share
     5,505,792,553        5,523,478,346        5,563,479,823  
    
 
 
    
 
 
    
 
 
 
Reconciliation of Earnings Per Share
The following are reconciliations of basic and diluted earnings per equity share and earnings per ADS.
 

 
  
Fiscal years ended March 31,
 
 
  
2020
 
  
2021
 
  
2022
 
  
2022
 
Basic earnings per share
   Rs. 47.59      Rs. 59.27      Rs. 69.76      US$     0.92  
Effect of potential equity shares for stock options outstanding
     0.32        0.25        0.38        0.01  
    
 
 
    
 
 
    
 
 
    
 
 
 
Diluted earnings per share
   Rs. 47.27      Rs. 59.02      Rs.   69.38      US$ 0.91  
    
 
 
    
 
 
    
 
 
    
 
 
 
         
Basic earnings per ADS
   Rs.   142.77      Rs.   177.81      Rs. 209.28      US$ 2.76  
Effect of potential equity shares for stock options outstanding
     0.96        0.75        1.14        0.03  
    
 
 
    
 
 
    
 
 
    
 
 
 
Diluted earnings per ADS
   Rs. 141.81      Rs. 177.06      Rs. 208.14      US$ 2.73