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Inventories (Tables)
 12 Months Ended
Mar. 31, 2018
Text block1 [abstract]  
Schedule of Inventories

Inventories consist of the following:

      
     As at March 31,  
     2017      2018  

Stores and spare parts

    ₹ 808      ₹ 769  

Raw materials and components

      1        —    

Finished goods and traded goods

      3,106        2,601  
  

 

 

     

 

 

  
   ₹ 3,915      ₹ 3,370