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Loan Delinquency and Non-Accrual Loans (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2020 INR (₨) | Mar. 31, 2020 USD ($) | Mar. 31, 2019 INR (₨)
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | ₨ 10,623,855.6 |  | $ 140,918.6 |  | ₨ 9,111,464.6 |
Retail Loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 7,040,800.4 |  | 93,391.6 |  | 6,237,903.6 |
Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 952,053.1 |  | 12,628.4 |  | 951,744.2 |
Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 1,920,601.6 |  | 25,475.5 |  | 1,538,107.4 |
Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 1,658,770.3 |  | 22,002.5 |  | 1,478,317.8 |
Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 747,382.4 |  | 9,913.5 |  | 746,288.0 |
Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 634,612.4 |  | 8,417.7 |  | 513,771.6 |
Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 1,127,380.6 |  | 14,954.0 |  | 1,009,674.6 |
Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 3,583,055.2 |  | 47,527.0 |  | 2,873,561.0 |
Financing Receivable, 31 to 90 Days Past Due |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 75,254.6 |  | 998.1 |  | 45,108.0 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 4,049.3 |  |  |  | 4,807.0 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 16,819.3 |  |  |  | 11,520.2 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 15,210.9 |  |  |  | 9,087.9 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 17,679.2 |  |  |  | 9,225.0 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 3,330.9 |  |  |  | 784.9 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 13,038.1 |  |  |  | 9,480.1 |
Financing Receivable, 31 to 90 Days Past Due | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 5,126.9 |  |  |  | 202.9 |
Impaired / 91 days or more past due |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 157,426.9 |  | 2,088.1 |  | 140,422.5 |
Impaired / 91 days or more past due | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 15,279.2 |  |  |  | 13,606.7 |
Impaired / 91 days or more past due | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 14,481.7 |  |  |  | 15,781.5 |
Impaired / 91 days or more past due | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 32,866.3 |  |  |  | 29,945.0 |
Impaired / 91 days or more past due | Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 22,992.2 |  |  |  | 11,254.9 |
Impaired / 91 days or more past due | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 2,921.3 |  |  |  | 2,157.1 |
Impaired / 91 days or more past due | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 33,462.8 |  |  |  | 29,523.6 |
Impaired / 91 days or more past due | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 35,423.4 |  |  |  | 38,153.7 |
Total current |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 10,391,174.1 | [1] | $ 137,832.4 | [1] | 8,925,934.1 | [3]
Total current | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 932,724.6 | [1] |  |  | 933,330.5 | [3]
Total current | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 1,889,300.6 | [1] |  |  | 1,510,805.7 | [3]
Total current | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 1,610,693.1 | [1] |  |  | 1,439,284.9 | [3]
Total current | Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 706,711.0 | [1] |  |  | 725,808.1 | [3]
Total current | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 628,360.2 | [1] |  |  | 510,829.6 | [3]
Total current | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 1,080,879.7 | [1] |  |  | 970,670.9 | [3]
Total current | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | ₨ 3,542,504.9 | [1] |  |  | ₨ 2,835,204.4 | [3]
[1] | Includes crop related agricultural loans with days past due less than 366 as they are not considered as impaired Rs. 39.0 billion.
[2] | Loans up to 30 days past due are considered current
[3] | Includes crop related agricultural loans with days past due less than 366 as they are not considered as impaired Rs. 34.0 billion.

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