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Impaired Loans (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2017 INR (₨) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 INR (₨)
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  | ₨ 82,979.7 | $ 1,279.6 | ₨ 52,982.7
Wholesale Trade |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  |  |  | 4,671.8
Wholesale Trade- Consumer Goods |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  | 15,722.9 | 242.5 |
Consumer Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans | [1] | 10,760.3 | 165.9 | 3,818.7
Iron and Steel |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  | 4,499.4 | 69.4 | 4,712.7
Real Estate and Property Services |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  |  |  | 3,559.2
Construction and Developers (Infrastructure) |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  |  |  | 2,991.7
Agriculture and Allied Activities |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  |  |  | 7,397.1
Agriculture Production - Food |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  | 4,217.1 | 65.0 |
Others (none greater than 5% of impaired loans) |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Impaired loans |  | ₨ 47,780.0 | $ 736.8 | ₨ 25,831.5
[1] | Primarily includes retail loans such as personal loans, auto loans and from fiscal 2017 also includes credit card receivables and housing loans.

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
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