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Gross Loans Analyzed by Performance (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2017 INR (₨) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 INR (₨)
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Impaired loans | ₨ 82,979.7 | $ 1,279.6 | ₨ 52,982.7
Gross loans | 5,988,909.7 | 92,350.2 | 4,992,834.4
Performing |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | ₨ 5,905,930.0 | $ 91,070.6 | ₨ 4,939,851.7

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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