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Trade receivables
 12 Months Ended
Mar. 31, 2020
Text block [abstract]  
Trade receivables
9. Trade receivables
 
 
  
As at March 31,
 
 
  
2019
 
  
2020
 
Trade receivables
  
₹
119,686
 
  
₹
124,460
 
Allowance for lifetime expected credit loss
  
 
(14,824
) 
  
 
(13,937
) 
 
  
 
 
 
  
 
 
 
 
  
₹
104,862
 
  
₹
110,523
 
Non-current
  
 
4,373
 
  
 
6,049
 
Current
  
 
100,489
 
  
 
104,474
 
The activity in the allowance for lifetime expected credit loss is given below:
 
 
  
As at March 31,
 
 
  
2019
 
  
2020
 
Balance at the beginning of the year
  
₹
14,570
 
  
₹
14,824
 
Additions during the year, net (Refer to Note 25)
  
 
980
 
  
 
1,043
 
Charged against allowance
  
 
(772
) 
  
 
(2,139
) 
Translation adjustment
  
 
46
 
  
 
209
 
 
  
 
 
 
  
 
 
 
Balance at the end of the year
  
₹
14,824
 
  
₹
13,937