Repairing &#x0d and &#x0d overhauling 2 nos &#x0d switch gear make &#x0d southern gear having &#x0d sl no i) 076/869 and ii) &#x0d 0762/950 of sub-station &#x0d kb 10/12 pit colliery.

Repairing and overhauling of 800 amps 440v, ocb with busbar make gec sl no kb10/12pit/eng/24-25/02 at site of kb 10/12 pit colliery.

1. complete repairing of 200-amps, 550v, abc make acb switch at 10l/13d main for sdl m/c no.-1137 of mithani colliery under sodepur area. 2.repairing of 400-amps, 550v, oil circuit breaker (switch) r/b make of mit

Repairing of one no of biccolowrie make, 400 amps, 11kv ocb, primary main of 1 mva transformer at surface substation and one no acb make 200 amps, 550v, abc of parbelia colliery under sodepur area.

Repairing and overhauling 2 nos switch gear make southern gear having sl no i)076/869 and ii) 0762/950 of sub-station kb 10/12 pit colliery.

Complete repairing / overhauling of 11 kv 400 amps, ocb switch, make gec colliery code no kc/sw/03 sl no 5664 at site of kustore colliery.

Repairing of ocb switch of make gec, 800a, 550v sl. no. 40/0170 at 5 pit sub-station of new akashkinaree colliery under govindpur area

Complete repairing rewinding and overhauling of pullen make 120 h.p.550 volt 2900 rpm 6 stage submersible motor and pump set local id. no.joy/ss/120 hp/ at joyrampur colliery of amal. joyrampur colliery under lodna area.

Complete repairing/ overhauling (a) 350 amps sd-15 ocb switch kilburn make 440 volt with original sl.no. 0696 (b) 400/300 amps gec make ocb switch 550v with local id. no. jg/sw/400-300a /66 (c) repairing and replacing of defective accesories of 1 no.

Complete rewinding/ repairing installation commissioning and transporting of 1000 kva 11 kv/3.3 kv sl.no. 224305/1 (local id no. nt/1000 kva/tr/12) gec make power transformer at kujama colliery under lodna area.