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Earnings per equity share (Tables)
12 Months Ended
Mar. 31, 2020
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Summary of Earnings Per Equity Share
 
  
Year ended March 31,
 
 
  
2018
 
  
2019
 
  
2020
 
Profit attributable to equity holders of the Company
  
80,081
 
  
90,031
 
  
97,218
 
Weight average number of equity shares outstanding
  
 
6,333,391,200
 
  
 
6,007,376,837
 
  
 
5,833,384,018
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Basic earnings per share
  
12.64
 
  
14.99
 
  
16.67
 
 
 
  
Year ended March 31,
 
 
  
2018
 
  
2019
 
  
2020
 
Profit attributable to equity holders of the Company
  
80,081
 
  
90,031
 
  
97,218
 
Weight average number of equity shares outstanding
  
 
6,333,391,200
 
  
 
6,007,376,837
 
  
 
5,833,384,018
 
Effect of dilutive equivalent share options
  
 
11,091,433
 
  
 
14,927,530
 
  
 
14,439,221
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Weight average number of equity shares for diluted earnings per share
  
 
6,344,482,633
 
  
 
6,022,304,367
 
  
 
5,847,823,239
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Diluted earnings per share
  
12.62
 
  
14.95
 
  
16.62