Operating Areas
COAL INDIA Ltd. A broad area-wise distribution of coalmines of Eastern Coalfield Limited (Subsidiary of coal India ltd.) is given below: TOTAL No. OF AREA 14, & No. COLLIYARI 66 ( Raniganj Puchim Burdwan, West Bengal ) I will tell you in shortly about Gradation code:- The gradation of non-coking coal is based on Gross Calorific Value (GCV), the gradation of coking coal is based on ash content and for semi coking /weakly coking coal it is based on ash plus moisture content, as in vogue as per notification. Such as some examples of Gradation code is areas G-3, G-4, G-5, G-6 etc. Areas Colliyaries Address ...