Annual maintenance contract for maintenance of railway siding of moonidih coal washery under w.j. area, moonidih

Roof bolting for roof support along f.s.v. route in r-vi seam of khottadih colliery, pandaveswar area.

Roof stitching in r-vii seam for support of disturbed roof/side encountered during development of porascole west colliery

Wire netting and roof bolt support at 6d/21l to 9d/21l both side gallery in r-iv seam at khottadih colliery, pandaveswar area.

Installation of chemical earth pit at pit no- 2 sub-station of kunustoria colliery

Making, machining and installation of crank shaft at no. 2 pit of central kajora colliery

Re-support of incline no.01 and 2 intake return ug galleries 10b seam by hiring of dgms approved portable roof bolting machine and cleaning of the approaching area at b seam of west jkd colliery.

Roof bolting at dewatering routes for preparation of panel 16a in borachak ( r-viii) seam workings, patmohona colliery

Repairing of gear box pf electric winder at pit no.-01 of patmohana colliery under sodepur area.

1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n