Complete repairing and overhauling of 1 no h.t switch 11 kv 400 amps ece make ocb switch for controlling of 200 kva transformer main switch at 5 pit sub-station under joyrampur colliery sl. no joy-5-sw-6 model no joy 5/sw/ocb/11kv/06 of ajc under lod

Repairing and overhauling of 800 amp. 550 volt crompton parkinson make ocb switch with bus bar of jealgora 2 pit colliery id-bccl/jl/sw/ocb/550 volt/07 used as secondary controlling switch of 750 kva 11 kv/550 volt switch of ajc under lodna area.

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

Complete repairing and overhauling/safety protection of 800 amps 550 volts crompton parkinson make o.c.b. switch local id. no. bar/sw/35 for power controlling of winch and 6 no. pit at bararee colliery of amal. joyrampur colliery under lodna area

Repairing of 400 amps, 440v crompton parkinson make ocb switch s no 76665 for controlling of lighting line kkc main siding of abocp mine under block-ii area

Complete repairing /overhauling of 400 amps gec make 550 v ocb switch with busbar id no joy/sw/05 controlling of submersible pump motor at 5 pit joyrampur colliery under lodna area ( local id no bccl/joy-5/sw/ocb/22 )

Proposal for repairing of crompton parkinson make ocb 400a, ctr-100/5a, 11kv switch gear main controlling of 3mva 11kv/3.3kv transformer at langri more sub-station at docp.

Complete repairing of biecco make ocb switch 11 kv 400 amps controlling of lighting transformer 250 kva in 3 pit sub-station joyrampur colliery of under lodna area (local id. bccl/joy 3/ sw/ocb/11 kv/06 ).

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 )

Repairing of 11kv, 400amps crompton greaves make ocb switch, sl.no.45834 for controlling of muraidih office of muraidih, amp colliery.