Estimated Reserves of Coal in India (As on 31.03.2009 to 31.03.2011) | ||||||||||||
(In Billion Tonne) | ||||||||||||
States | Proved | Indicated | Inferred | Total | ||||||||
31.03.09 | 31.03.10 | 31.03.11 | 31.03.09 | 31.03.10 | 31.03.11 | 31.03.09 | 31.03.10 | 31.03.11 | 31.03.09 | 31.03.10 | 31.03.11 | |
India |