Repairing/overhauling of 1 no. 400 amps 550 volt gec make ocb switch with busbar sl. no. 30/1889 and local id. nt-st-jg -05 type k-03 main controlling switch at amal.nt-st-jg colliery under lodna area.

Repairing of 400 amp 11kv ocb with busbar biecco lowrie controlling 500kva 11kv/440v transformer bgr of kocp.

Complete repairing of gec make 400 amps 440 volt ocb switch with busbar sl.no. 30/0089 for controlling of lighting line golakdih basti and 6 no. siding at 6 no. sub-station of amal. nt-st-jg colliery under lodna area.( local id no bccl/nt/sw//ocb/49

Complete repairing of gec make 400 amps 440 volt ocb switch with busbar sl.no. 30/0089 for controlling of lighting line golakdih basti and 6 no. siding at 6 no. sub-station of amal. nt-st-jg colliery under lodna area.( local id no bccl/nt/sw//ocb/49

A) complete repairing and overhauling of one(01) no.200amps 440volt kilburn make ocb switch sl. no. bccl/jg /sw/ocb/ 440v/29440v/29 (b)bccl/jg /sw/ocb/ 440v/45 (c)bccl/nt/sw/ocb/11kv/46 (d)nt/sw/acb/440 volt /59 at amal.nt-st-jg colliery under

Repairing/overhauling of 400 amps. 11 kv biecco make ocb switch local id-jg/sw/ocb/11 kv/47 for primary controlling of 2 mva 11kv/3.3 kv power transformer at 09 no. siding of amal. nt-st-jg colliery under lodna area.

Complete repairing of 400amp 11kv ocb with busbar biecco lowrie for primary controlling 11kv/3.3kv transformer at 07 no sub station abdkc.

Repairing of 400 amps 11kv/ocb make biecco lowery of golakdih sub station under kuya ocp

Repairing of biecco lowrie make ocb switch 11kv with busbar at chandmari colliery.

(a)complete repairing and overhauling of one(01) no.200amps 550volt kilburn make ocb switch sl. no.13958 and local id.no.jg /sw/ocb/550v/54 (b)sl.no.14015 and local id.no. jg/sw/ocb/ 550v/55 for power controlling of batta pump switch of amal.nt-st