Repairing and overhauling of 11kv 400 amps o.c.b. switch make ece local id. no. bag/sw/ocb/ 11kv/ 03 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Repairing and overhauling of 11 kv 400 amp. ocb switch ece make local id-bag/sw/ocb/11 kv/05 of bagdigi colliery of ajc under lodna area.

Complete repairing/overhauling of 11kv, 400 amps ocb switch make gec, colliery id no kc/sw/12 and sl no 5670 at site of kustore colliery.

Complete repairing of g.e.c.make ocb switch 11 kv 400 amps switch sl. no. 5107 local id no. bag/sw/ocb/11 kv /07 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Repairing and overhauling of 02 no. h.t. switch 11 kv 400 amp.ece make ocb switch for controlling of feeder-i (local id-bag/sw/ocb/11kv/01 ) serial no-6115 and feeder -ii (local id-bag/sw/ocb/11kv/02) at bagdigi sub-station of bagdigi colliery under

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.

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

Complete repairing of 400 amps ocb switch 6.6 kv make-ece sl.no.8528 at agkcc colliery under katras area

Repairing of 400 amps gec make 11kv ocb (ht switch) at millinium incline shankarpur colliery under bankola area

Complete repairing and overhauling of 1 no h.t switch 11 kv 400 amps ece make ocb switch for controlling of 200 kva transformer main switch at 5 pit sub-station under joyrampur colliery sl. no joy-5-sw-6 model no joy 5/sw/ocb/11kv/06 of ajc under lod