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Gross Loans Analyzed by Performance (Detail) ₨ in Millions, $ in Millions	Mar. 31, 2015 INR (₨)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 INR (₨)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired loans	₨ 39,324.8	$ 631.1	₨ 29,686.5
Gross loans	3,943,449.1	63,287.5	3,228,261.3
Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	₨ 3,904,124.3	$ 62,656.4	₨ 3,198,574.8

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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



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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



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