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NOTE 23 - CERTAIN AGED RECEIVABLES (Details) (Trade Accounts Receivable [Member], USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012
Trade Accounts Receivable [Member] |  |
NOTE 23 - CERTAIN AGED RECEIVABLES (Details) [Line Items] |  |
Other Receivables, Gross, Current | $ 0.50 | $ 2.03
Increase (Decrease) in Other Receivables | $ (1.5) |

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- Details
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Namespace Prefix: | igc_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The increase (decrease) during the reporting period in other amounts due to the reporting entity, which are not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amounts of other receivables due within one year of the balance sheet date (or one operating cycle, if longer) from third parties or arising from transactions not separately disclosed. + References No definition available. + Details
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