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Loan Delinquency and Non-Accrual Loans (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2022 INR (₨) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 INR (₨)
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | ₨ 14,409,544.0 |  | $ 189,924.1 |  | ₨ 12,043,717.9 |
Finance receivable on non-accrual status |  | 197,269.5 |  | 2,600.1 |  | 213,782.4 |
Retail Loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 9,310,534.7 |  | 122,716.9 |  | 7,828,832.6 |
Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 1,042,793.0 |  | 13,744.5 |  | 964,053.2 |
Finance receivable on non-accrual status |  | 20,441.6 |  |  |  | 28,476.3 |
Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 2,341,971.8 |  | 30,868.2 |  | 2,042,727.2 |
Finance receivable on non-accrual status |  | 28,057.5 |  |  |  | 37,026.1 |
Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 2,617,087.1 |  | 34,494.4 |  | 2,007,845.9 |
Finance receivable on non-accrual status |  | 35,820.2 |  |  |  | 31,328.9 |
Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 951,066.0 |  | 12,535.5 |  | 805,329.8 |
Finance receivable on non-accrual status |  | 25,091.5 |  |  |  | 32,015.3 |
Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 830,882.4 |  | 10,951.4 |  | 702,235.5 |
Finance receivable on non-accrual status |  | 6,478.4 |  |  |  | 5,171.9 |
Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 1,526,734.4 |  | 20,122.9 |  | 1,306,641.0 |
Finance receivable on non-accrual status |  | 49,459.2 |  |  |  | 39,584.4 |
Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 5,099,009.3 |  | 67,207.2 |  | 4,214,885.3 |
Finance receivable on non-accrual status |  | 31,921.1 |  |  |  | 40,179.5 |
Financing Receivable, 31 to 90 Days Past Due |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 102,237.7 |  | 1,347.5 |  | 99,078.1 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 6,536.5 |  |  |  | 8,523.6 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 27,433.8 |  |  |  | 25,026.7 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 18,242.9 |  |  |  | 19,239.0 |
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 |  | 20,263.0 |  |  |  | 16,946.0 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 3,296.3 |  |  |  | 4,530.8 |
Financing Receivable, 31 to 90 Days Past Due | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 18,009.8 |  |  |  | 18,535.0 |
Financing Receivable, 31 to 90 Days Past Due | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 8,455.4 |  |  |  | 6,277.0 |
Non-accrual/ 91 days or more past due |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 197,269.5 |  | 2,600.1 |  | 213,782.4 |
Non-accrual/ 91 days or more past due | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 20,441.6 |  |  |  | 28,476.3 |
Non-accrual/ 91 days or more past due | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 28,057.5 |  |  |  | 37,026.1 |
Non-accrual/ 91 days or more past due | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 35,820.2 |  |  |  | 31,328.9 |
Non-accrual/ 91 days or more past due | Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 25,091.5 |  |  |  | 32,015.3 |
Non-accrual/ 91 days or more past due | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 6,478.4 |  |  |  | 5,171.9 |
Non-accrual/ 91 days or more past due | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 49,459.2 |  |  |  | 39,584.4 |
Non-accrual/ 91 days or more past due | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans |  | 31,921.1 |  |  |  | 40,179.5 |
Total current |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 14,110,036.8 | [1] | $ 185,976.5 | [1] | 11,730,857.4 | [3]
Total current | Retail Loans | Auto loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 1,015,814.9 | [1] |  |  | 927,053.3 | [3]
Total current | Retail Loans | Personal loans/Credit card |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 2,286,480.5 | [1] |  |  | 1,980,674.4 | [3]
Total current | Retail Loans | Retail Business Banking |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 2,563,024.0 | [1] |  |  | 1,957,278.0 | [3]
Total current | Retail Loans | Commercial vehicle and construction equipment finance |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 905,711.5 | [1] |  |  | 756,368.5 | [3]
Total current | Retail Loans | Housing loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 821,107.7 | [1] |  |  | 692,532.8 | [3]
Total current | Retail Loans | Other Retail |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | 1,459,265.4 | [1] |  |  | 1,248,521.6 | [3]
Total current | Wholesale loans |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Gross loans | [2] | ₨ 5,058,632.8 | [1] |  |  | ₨ 4,168,428.8 | [3]
[1] | Includes crop related agricultural loans with days past due less than 366 as they are not considered as non-performing of Rs. 34.2 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 non-performing of Rs. 33.6 billion.

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