Supporting of roof by manual drilling of holes, jamming and tightening the roof with bearing plates/w-straps for strengthening the roof and sides bolts along travelling roadways, conveyor roadways and haulage roadways between ol to 15l of 4a seam at

(1) supporting of roof by mechanical drilling of holes (1.5m length, 29mm dia) , jamming with resin capsule , tightening the roof bolts with bearing plates / w- straps at practical practice route (2) white washing work along practical practice rou

(i) re-supporting of roof by roof bolts with resin capsule (ii) side dressing (iii) cleaning and removal, etc. along travelling roadway, haulage roadway and belt roadway in seam b-bottom at kurja ug mine

(i) re-supporting of roof by roof bolts with resin capsule (ii) side dressing (iii) cleaning and removal, etc. along travelling roadway, haulage roadway and belt roadway in seam b-bottom at kurja ug mine.

Supporting of roof by mechanical drilling of holes (1.50m length, 29mm dia), jamming, tightening the roof bolts with bearing plates / w-straps including carriage of materials from nearest district store to working faces of p-22 panel of seam-iv b of

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

Roof bolting at travelling roadway and haulage roadway for east section at parbelia colliery hijuli r-viii seam working

Side / roof dressing and cleaning of fallen material along travelling roadway from 16r to 35r along -77ln old gallery for new travelling roadway for re- organization of belt and travelling roadway in 4a seam at jhiria ug mine.

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

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