Establishment of ventilation circuit for sripur seam r-vi with roof bolting at 3er r-vi seam near staple pit at bhanora west block colliery

Establishment of ventilation circuit for sripur seam r-vi with roof bolting at 3er r-vi seam near staple pit at bhanora west block colliery

Roof bolting for roof support with dgms approved portable hydraulic roof bolting machine suitable with wet drilling arrangement to drill 1.50 m. long hole in roof having medium to fine grained sand stone strata with 27 mm dia drill bit for

Roof bolting roof fall and side fall cleaning carbonaceous materials shale and stone in r-v seam of bhanora west block colliery

Roof support by roof bolting along travelling roadway of incline of rvii seam of bankola colliery

Establishment of travelling roadway for 19 dip development district at bhanora west block colliery

Roof bolting in underground at patmohona colliery

Establishment of travelling roadway by permanent support with roof bolting in the development district rvii seam of v.k. unit of khandra colliery

Roof support by roof bolting at 15l 19d in rviia seam of mill incline unit shankarpur colliery

Roof support by roof bolting along travelling roadway of no.2 incline of rvii seam of bankola colliery.