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%,
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%,