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

Omplete repairing and overhauling of 1 no 400 amps 550 volt crompton parkinson make o.c.b switch sl. no 60706 at 5 pit sub-station for power controlling submersible pump main switch at joyrampur colliery id no. joy-5/sw/ocb/550v/21 of ajc under lodna

Repairing of 400 amp. ocb switch make crompton parkinson 3300 volt ctr 300 5a controlling to 3300 volt busbar charging of bhowra power house

Partial repairing of 750 kva 11kv/550 volt power transformer make crompton parkinson sl.no. 13609 at 2 pit jealgora sub-station local id. jl/tr/04 at jealgora colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling of 1 no. 200 amps 550 volt kilburn make ocb switch for power controlling of lighting line switch sl.no. 14020 and id no bag/sw/ocb/550 volt/14 at bagdigi colliery of amal. joyrampur colliery under lodna 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

Complete &#x0d repairing of &#x0d 400amps ocb &#x0d switch, make gec,volt &#x0d 550,sl.no.330/0042 &#x0d controlling of &#x0d bijli ghar &#x0d angarpathra

Complete repairing and overhauling of lt ocb crompton parkinson 550 v 400 amps si no- 1269a at dbocp.

Complete repairing and overhauling of 1 no.h.t. switch 11 kv 400 amps crompton parkinson make ocb switch for controlling of 500 kva transformer main switch at ropeway sub-station of bararee colliery under lodna area.( sl.no. br/sw/48 )

Complete repairing/ overhauling of one(01)550 volt ocb 400amps metro politan make ocb switch sl. no.d-834890 installed at lodna power house