Complete repairing /overhauling of 400 amps gec make 550 v ocb switch with busbar id no joy/sw/05 controlling of submersible pump motor at 5 pit joyrampur colliery under lodna area ( local id no bccl/joy-5/sw/ocb/22 )

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 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 and overhauling of 1 no. h.t. switch 11 kv 400 amps ece make ocb switch for controlling of 1000 kva transformer main switch at 5 pit sub-station at joyrampur colliery of amal. joyrampur colliery under lodna area.(local id.no.joy-5-

Omplete repairing and overhauling of 1 no 400 amps 550 volt crompton parkinson make o.c.b switch sl. no 60706 at 5 pit sub-station for power controlling submersible pump main switch at joyrampur colliery id no. joy-5/sw/ocb/550v/21 of ajc under lodna

Repairing of 02(two) nos. 200 amps 550 volt sd-15 type kilburn make ocb switch with busbar(a)sl.no. 14016 local id.no. bag/sw/ocb/550v/12 and (b) sl.no. 14027 local id. bag/sw/ocb/550v/11 at bagdigi sub-station of amal. joyrampur colliery under lod

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.

Complete repairing/overhauling of 2 nos h.t. switches (i) 11 kv vcb switch 400 amp make andrewyule sl.no.2925 local id.no. joy-3 sw-1 (ii) vcb make andrewyule11 kv 400 amps. sl.no. 5192 local id no.- joy-5 sw-1 of amal. joyrampur colliery under lodn

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 ).