Support of geologically disturbed roof along 1d 7l to 16 level by rope stitching in banbahal seam working of rvii seam rj unit of bahula colliery under kenda area ecl

Support of geologically disturbed roof along 1d 7l to 16 level by rope stitching in banbahal seam working of rvii seam rj unit of bahula colliery under kenda area ecl.

Construction of brick stair for cross over bridge at 5l 0d 20l 1d and 24l 5d haulage line at rj unit in banbahal rvii seam of bahula colliery under kenda area ecl

Installation of roof stitching in geologically disturbed junction/galleries in bonbohal rvi seam of siduli colliery under kenda area ecl

Supporting of haulage roadway roof at r-vii banbahal seam with ms girders at 7d to 8d along 5l of porascole (west) colliery.

Supporting of haulage roadway roof at r-vii banbahal seam with ms girders at 7d to 8d along 5l of porascole (west) colliery.

Roof bolt for roof support at 0l/7d to 19l/7d in r-iv seam of khottadih colliery, pandaveswar area

Construction of 8 nos ventilation stoppings along minas 33l and minas 34l 8d to 13d and along 7d to 8d minas 34l to minas 35l for maintain proper ventilation circuit of present development district in dobrana rv seam at no 7 pit of lower kenda collie

One time advanced roof support by roof bolting at proposed stowing panel rvii s7 at rvii seam at sankalpa khani of bankola colliery

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