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

Repairing of 1 no.(one) no.200amps 550volt sd-15 type kilburm make ocb switch with busbar sl.no.14016 at bagdigi sub-station of amal.joyrampur colliery under lodna area.

Repairing of 1 no.(one) no.200amps 550volt sd-15 type kilburm make ocb switch with busbar sl.no.15338 and local id no. bag/sw/ocb/550v/16 at bagdigi sub-station 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

(a) repairing/ overhauling of one(01) no.800amps 550volt r sl. no. bar/sw/ocb/08(b) repairing of 01(one) no. 100amps 550volt sd-15 busbar local id.no. joy/3/sw/ocb/17 at 5 pit sub-station of amal.joyrampur colliery under lodna area.

Complete repairing and overhauling of 1 no.200 amps 550volt kilburm make ocb switch sl.no.01672 local id.no.st/sw/ocb/550 v/12 for secondary conrolling of 500 kva 11kv / 550 volt power transformer at golden sub-station amal.nt-st-jg colliery under

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 of g.e.c.make ocb switch 11 kv 400 amps switch sl. no. 5107 local id no. bag/sw/ocb/11 kv /07 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling/safety protection of (a) 400amps/550volt gec make ocb switch local id. bar/ocb/ 28(b) 400amps 550volt gec make ocb switch local id. bar/ocb/ 03 at bararee colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling of 1 no. 200 amps 440 volt kilburn make ocb switch sl.no.jl/sw/19 for controlling of 2 pit surface pump motor at jealgora colliery (sl.no.-1937) of amal.joyrampur colliery under lodna area.