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Rental Expenses and Sub-Lease Income (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2015 INR (₨)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 INR (₨)	Mar. 31, 2013 INR (₨)
Operating Leased Assets [Line Items]
The total minimum lease expense during the year recognized in the consolidated statement of income	₨ 8,974.5	$ 144.0	₨ 7,655.7	₨ 7,006.1

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 840



-SubTopic 20



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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