(a)complete repairing and overhauling of 1200 amps. ece make 550 volt o.c.b. switch with busbar sl.no. 6664/36 id.no. bccl/nt/sw /ocb /550 volt/64 (b) complete repairing and overhauling and safety protection of 1 no. h.t. switch 3.3 kv 400 amps prabh

Complete repairing of g.e.c. make ocb switch(local id.no. jl/sw/16) 11 kv 400 amp.controlling of power transformer 750 kva in 2 pit sub-station jealgora colliery of amal.joyrampur colliery under lodna area.

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.

Complete repairing/ overhauling of 1 no. prabhu make star delta starter 120 hp 550 volt 150 kw 3 phase sl.no-fs 889 ( local id.no. bar/st/strdt/550v/03 ) 2 pit surface pump motor controlling at jealgora colliery of amal.joyrampur colliery under lodn

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.

(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/overhauling of 400 amps 11kv ocb switch of busbar biecco make for primary controlling of 500 kva transformer engaged for lighting supply of golakdih basti near 6 no. siding of amal.nt-st-jg colliery under lodna area(local id.no nt/

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