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Future Minimum Lease Payments Prior To Adoption Of ASU 2016-02 (Detail)
₨ in Millions
Mar. 31, 2019
INR (₨)
Operating Leased Assets [Line Items]  
2020 ₨ 10,538.6
2021 9,921.4
2022 9,100.7
2023 8,137.3
2024 7,104.2
Thereafter 41,090.6
Total ₨ 85,892.8