Complete repairing of 11 kv 400 amps ocb switch make southern gear ( local id no. bccl/nt/sw/11kv/61) and serial no-0762/945 at amal. nt-st-jg colliery under lodna area.

Partial repairing of 3.3 kv 400 a ocb switch local id. no. bccl/nt/sw/ocb/2 installed at 6 no. sub-station of amal. nt-st-jg colliery under lodna area.

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.

Repairing / overhauling of 1 no. 400 amps 11 kv biecco make ocb switch for primary controlling of 1000 kva 11 kv/550 volt power transformer sl.no.pb-4/18276 at 9 no. siding of amal. nt-st-jg colliery under lodna area( local id. bccl/jg/ ocb/11 kv/47)

(a)partial repairing of 3.3 kv 400 amps vcb type electrotechnika make original sl.no. 3836 local id no. jg /sw/ vcb/23 and (b) partial repairing of 11 kv 400 amps ocb switch biecco lowrie make original sl.no. pba /18256 of marigodam sub-station in j

Complete repairing and overhauling of 400 amps. 550 volt welding generator make kirloskar sl.no-800201 and local id-bccl/jg/tr/acb/ 550v/26 of amal. nt-st-jg colliery under lodna area.

Complete repairing/ overhauling of two (2) nos switch (a) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/11kv/05 and (b) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/ 11kv/03 03 at bagdigi colliery of amal. joyrampur colliery

Partial repairing /overhauling of 400 amps 11 kv vcb ctr-100/5 amps make meditron serial no-6351 ,local id-bccl/jg/sw/400 a/36 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling of safety protection of 1 no. h.t. main switch 11 kv 400 amps gec make ocb switch ctr-200 /100/5a sl. no.-01 local id. no. bccl/m/sw/11 kv/01 of 6 no. sub-station of amal. nt-st-jg colliery under lodna area.

Complete repairing of biecco lowrie make 400 amps ocb switch 11kv with busbar at chandmari colliery.