Repairing /overhauling of 1 no. 400 amps. 11kv southern switch gear make ocb switch local id no. kj/017 for power controlling of 1500 kva 11 kv/3.3 kv power transformer at g patch of kujama colliery ( sl.no. 0682/833) under lodna area.

Repairing /overhauling of 1 no. 400 amps 3.3 kv southern switch gear make ocb switch local id. no. kj/018 for power controlling of 1500 kva 11 kv/3.3 kv power transformer at g. patch of kujama colliery ( sl. no.-8724 ) 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.

Complete repairing of biecco make ocb switch 11 kv 400 amps controlling of lighting transformer 250 kva in 3 pit sub-station joyrampur colliery of under lodna area (local id. bccl/joy 3/ sw/ocb/11 kv/06 ).

Complete repairing 11 kv ocb 400 amaps vcb switch electrotechnica make for controlling of 7.5 mva transformer at marigodam workshop sub-station sl.no. 2312 local id. no. bccl/jg/sw/vcb/11 kv/21 of amal.nt-st-jg colliery under lodna area

Complete repairing of 400 amps 11 kv vcb switch of electrotechnica make for primary controlling of 3.15 mva transformer sl. no. sgi -2312 at new kt sub-station of amal.nt-st-jg colliery (jeenagora ocp) under lodna area.( local id no bccl/jg/sw/vcb/

Repairing/overhauling of 1 no. 400 amps 11 kv ece ocb switch ( sl. no. 2152166) local id. no. kj/sw/ocb/11kv/02 for power controlling of lighting line at m. pit of kujama 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)

Complete repairing and overhauling of safety protection of one(01) h.t. switch 11 kv 400 amps biecco make ocb switch for controlling of 500 kva transformer main switch at mohribandh sub-station sl.no. 215519 local id. no. kj-221 of kujama colliery un

Complete repairing and overhauling of 01 no. h.t. switch 11 kv 400 amp.ece make ocb switch (sl.no kj/10/ ) for primary controlling of 500 kva 11 kv/440v transformer main switch at 3 pit mohribandh sub-station at kujama colliery under lodna area.