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Cash and Due From Banks and Restricted Cash - Additional Information (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2019
INR (₨)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
INR (₨)
Restricted Cash and Cash Equivalents Items [Line Items]      
Restricted cash ₨ 383,503.0 $ 5,545.2 ₨ 314,463.4