Classification of Belowground Mines by Degree of Gassy Seams in Assam of North-Eastern India (2000 to 2004 and 2006) | |||||||||
(In Tonne) | |||||||||
State | Year | Number of Mines Having Gassy Seams of Degree | |||||||
I Only | II Only | III Only | I & II | I & III | II & III | I, II & III | Total | ||
Assam | |||||||||
India | |||||||||