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Commitments and contingencies (Tables)
12 Months Ended
Mar. 31, 2018
Text block1 [abstract]  
Summary of Contractual Payments under Non-Cancelable Leases

Details of contractual payments under non-cancelable leases are given below:

 

     As at March 31,  
     2017      2018  

Not later than one year

   5,040      6,186  

Later than one year but not later five years

     12,976        12,470  

Later than five years

     2,760        2,354  
  

 

 

    

 

 

 
   20,776      21,010