Repairing of acb 1000 amp abc make 440 volt sl. no 0317 at kocp..

Complete rewinding of 350 amps 440 volts welding transformer local id. no. bccl/jg/tr/440 v/30 at jeenagora ocp of amal.nt-st-jg colliery under lodna area.

Rewinding and repairing of potential transformer volts 550/440/220/110 for lt switch and starter flp, acb at benidih of phularitand, amp colliery.

Complete repairing/ overhauling of 01(one) of acb switch 440 volts 1000 amps electrotecnica make local id jl/acb/sw/415v/44 installed at 2 no. pit sub-station of jealgora colliery of ajc under lodna area

Complete repairing and overhauling of 1 no 800a 440v abc make acb switch sl no 403,local id-nt/sw/acb/440 v/58 for controlling of dp-2 crusher 9 no siding substation at nt-st-jg ocp 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 and overhauling of 800 amps. 440 volt sl. no-370 local id-nt/sw/acb/550 v/60 acb switch of abc make installed at 06 no. substation near 06 no. siding for controlling of lighting supply to golakdih basti of amal. nt-st-jg collier

Partial repairing of 1 no. 175 hp 550v auto starter of amba speed make sl. no. ss/76/2007-08 installed at jeenagora weigh bridge local id jg/ sw/100a/11 of amal.nt-st-jg colliery under lodna area.

Repairing of acb switch of rating 800 amps 440 volts sail mine line make at durga mandir sub-station near golden pahari colony for lighting line purpose sl. no. ba/1545/440 v and local id. no. bccl/st/sw/vcb/440v/24 of amal. nt-st-jg colliery under l