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Finance and other income and Foreign exchange gains/(losses), net
 12 Months Ended
Mar. 31, 2020
Text block [abstract]  
Finance and other income and Foreign exchange gains/(losses), net
28. Finance and other income and Foreign exchange gains/(losses), net    
 
 
  
Year ended March 31,
 
 
  
2018
 
  
2019
 
  
2020
 
Interest income
  
₹
17,806
 
  
₹
20,261
 
  
₹
21,764
 
Dividend income
  
 
609
 
  
 
361
 
  
 
367
 
Net gain from investments classified as FVTPL
  
 
5,410
 
  
 
1,990
 
  
 
1,275
 
Net gain from investments classified as FVTOCI
  
 
174
 
  
 
311
 
  
 
675
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Finance and other income
  
₹
23,999
 
  
₹
22,923
 
  
₹
24,081
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Foreign exchange gains/(losses), net, on financial instruments measured at FVTPL
  
 
(107
) 
  
 
1,251
 
  
 
2,144
 
Other Foreign exchange gains/(losses), net
  
 
1,595
 
  
 
1,964
 
  
 
1,025
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Foreign exchange gains/(losses), net
  
₹
1,488
 
  
₹
3,215
 
  
₹
3,169
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
  
₹
25,487
 
  
₹
26,138
 
  
₹
27,250