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

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 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.

(a)repairing and overhauling of one (01) no. h.t. switch 11kv 400 amps make g.e.c. sl.no.12636 local id. no. jl/sw/11 at 2 pit sub-station jealgora controlling switch of o/h line feeder-ii (b) repairing and overhauling of one (01) no. ocb switch 11

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 and overhauling of 01 no. h.t. switch 11 kv 400 amp.crompton greaves make ocb switch for controlling of 300 kva transformer main switch at bhulan sub-station under bararee colliery sl. no br/sw/03 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 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

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