(a) dismantling of drum and equalization pinion with guard and refitting of drum after changing of f/b no.4 (b) repairing and reassembling of broken chain conveyor of f/b no-4 and (c) replacement of defective motor of f/b no-5 of amp colliery.

Repairing , replacement and maintenance of drive unit , driven drum structure , side plates carrying rollers and rollers of conveyor gathering belt no. 1 of preparation plant at bhojudih coal washery.

Repairing/ strengthening of approaching stair case and its support for stairs going up to unit 502, c-1 and c-2 conveyor belt at moonidih coal washery.

Fabrication and installation of new slider frame after dismantling and removal of existing worn-out slider of slidding pulley of unit c-1 and c-2 belt conveyor at moonidih coal washery.

Replacement of block bearings at different belt conveyor drums after dismantling of out of order blocks bearings from drums at lhcm1 district of 3n4 incline, j.p.colly.

Repairing/ strengthening of take-up structure, side stairs and bracing of unit 704 belt conveyor of moonidih coal washery.

Repairing of damaged screen side frame and base frame and underdeck structure of electromag screen unit 604-1 and 604-2 at 29m floor of washery building of moonidih coal washery.

Dismantling, repairing and replacement of damaged/ worn-out gear coupling, overhauling and adjustment of intermediate pinions, along with re-alignment and re-fitting of gear box, of unit 403-a of moonidih coal washery.

Dismantling, fabrication, repairing and re-erection of chute from feeder no. 1 and 2 to conveyor a at bhojudih coal washery.

Installation of new brackets and rollers after dismantling, existing damaged pieces along with modification of their base for unit 504 belt conveyors at moonidih coal washery.