Complete repairing and overhauling of 1 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (local id.no. bccl/jg/sw/550v/25 ) at paharigora sub-station of amal.nt-st-jg colliery under lodna area.

Repairing and overhauling of a) gec make 550 v 440 v 600 amps ocb b) kilburn make 600 amps 550 volt ocb c) kilburn make 400 amps 550 volt acb d) abc make 400 amps 550 volt acb at nakrakonda kuamrdihi b colliery under bankola area.

Complete repairing of 20 h.p. 550 volt 1450 rpm at n.s.workshop lodna ( local id motor/nsw/07 ) 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

Repairing of 01 (one) no. 200 amps 440 volt sd-15 type kilburn make ocb switch with busbar sl.no. 14018 local id-bccl/jg/sw/ocb/550 v/33 at durga mandir sub-station of amal.nt-st-jn 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.

Repairing of 02(two) nos. 200 amps 550 volt sd-15 type kilburn make ocb switch with busbar(a)sl.no. 14016 local id.no. bag/sw/ocb/550v/12 and (b) sl.no. 14027 local id. bag/sw/ocb/550v/11 at bagdigi sub-station of amal. joyrampur colliery under lod

Complete repairing /overhauling of 1 no l.t. o.c.b. switch 440 volts secondary switch 200 amps kilburn make sd-15(local idbccl/st/sw/ocb/400v/14) of amal.nt-st-jn colliery under lodna area.

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

Complete repairing/overhauling of 400 amps 550v gec make ocb sl. no. 314711/117 local id.no. jl/sw/ocb/550v/17 at 2 pit jealgora colliery of amal. joyrampur colliery under lodna area.