Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

For complete repairing and overhauling of ocb, sd -15 make kilburn switch 550v,150a, asst. no. arn/72 sl.no.08595 4 pit loyabad (ii)and repairing of 120 hp,550v,star delta starter, a.t.s type, amba speed make,sl.no.a-223-97 controlling of submersible

Complete overhauling of 02 n0s rear suspension part no-4688680 and o4 nos differential eye of dumper model cat 773 e sl no 880 deployed at amp colliery barora area

A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Repairing 400 amp gec make 550/440 volt ocb with bus bar at bastacolla guesthouse bastacolla colliery.

Complete rewinding / repairing 40kva /500/440 volt lighting transformer at aebs colliery bastacolla area.

Complete repairing and overhauling of a) 200 amps 550 volt kilburn make ocb switch sl. no.14059 id no bag/sw/ocb/550 volt/10 for power controlling of radha chakki worker colony lighting line b) 200 amps 550 volt kilburn make ocb switch sl. no.1463

Repairing of 800 amp, 550 volt ocb switch at bastacolla colliery

(a) partial repairing of 01(one) no. 400 amps 440 volt a.b.c. make switch (b) repairing of 01(one) no. 200 amps 440 volt kilburn make ocb c) repairing of 01(one) no. 400 amps 440 volt g.e.c ocb switch of kujama colliery