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NOTE 1 - OVERVIEW (Tables) | 3 Months Ended
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Jun. 30, 2013
Disclosure Text Block [Abstract] |
Schedule Of Subsidiaries [Table Text Block] | The operations of IGC are based in India and China. The financial statements of the following subsidiaries have been considered for consolidation.
Subsidiaries |  | Immediate holding company |  | Country of Incorporation |  | Percentage of holding as of June 30, 2013 |  |  | Percentage of holding as of March 31, 2013 |
IGC – Mauritius ("IGC-M") |  | IGC |  | Mauritius |  |  | 100 |  |  |  | 100 |
IGC HK Mining and Trading Limited (“IGC-HK”) |  | IGC-M |  | Hong Kong |  |  | 100 |  |  |  | 100 |
India Mining and Trading Private Limited ("IGC-IMT") |  | IGC-M |  | India |  |  | 100 |  |  |  | 100 |
IGC Linxi Industrial and Trading Limited (“IGC- Linxi”) |  | IGC-HK |  | China |  |  | 95 |  |  |  | 0 |
IGC Logistic Private Limited ("IGC-LPL") |  | IGC-M |  | India |  |  | 100 |  |  |  | 100 |
IGC Materials Private Limited ("IGC-MPL") |  | IGC-M |  | India |  |  | 100 |  |  |  | 100 |
H&F Ironman Limited (“HK Ironman”) |  | IGC |  | Hong Kong |  |  | 100 |  |  |  | 100 |
Linxi H&F Economic and Trade Co. ("PRC Ironman") |  | HK Ironman |  | Peoples’ Republic of China |  |  | 95 |  |  |  | 95 |
Techni Bharathi Private Limited (“TBL”) |  | IGC-M |  | India |  |  | 100 |  |  |  | 100 |

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