Contingencies (Details) - INR (₨) ₨ in Millions	24 Months Ended	36 Months Ended
Mar. 31, 2011	Mar. 31, 2014	Mar. 31, 2009
Disclosure of contingent liabilities [line items]
Amount demanded	₨ 59	₨ 27	₨ 66
Percentage demanded	10.00%	10.00%	10.00%

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

No definition available.

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