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Balances Receivable from Related Parties (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2020
INR (₨)
Mar. 31, 2020
USD ($)
Mar. 31, 2019
INR (₨)
Related Party Transaction [Line Items]      
Loans ₨ 26.5 $ 0.4 ₨ 33.9
Other assets 1,716.4 22.8 1,784.9
Total 1,742.9 $ 23.2 1,818.8
Principal Owner      
Related Party Transaction [Line Items]      
Loans 0.0   0.0
Other assets 449.5   310.2
Total 449.5   310.2
Others      
Related Party Transaction [Line Items]      
Loans 26.5   33.9
Other assets 1,266.9   1,474.7
Total ₨ 1,293.4   ₨ 1,508.6