Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Assam (2007) | ||||
(In Tonne) | ||||
State | Total Opencast Output | Output by Mechanisation | Overburden Removed (In ` 000 Cubic Metre) | |
Fully Mechanised | Manual/Semi Mechanised | |||
I. Coal | ||||
Assam | ||||
India |