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Inventories (Tables)
 12 Months Ended
Mar. 31, 2019
Text block [abstract]  
Schedule of Inventories

Inventories consist of the following:    

 

     As at March 31,  
     2018      2019  

Stores and spare parts

    ₹          769      ₹        677  

Finished goods and traded goods

      2,601        3,274  
  

 

 

     

 

 

  
   ₹  3,370      ₹  3,951