coal suppliers in birsa. grade - a, r.o.m coal size- 0-mm, to 500,mm gcv-6000 to 6500. fc-50-55% vm-26-28%,

COAL SUPPLIERS IN BIRSA.  GRADE - A,  R.O.M   COAL   SIZE- 0-MM, TO 500,MM  GCV-6000 TO 6500.   FC-50-55%   VM-26-28%,