Complete repairing and overhauling/safety protection of (a) 400amps/550volt gec make ocb switch local id. bar/ocb/ 28(b) 400amps 550volt gec make ocb switch local id. bar/ocb/ 03 at bararee colliery of amal. joyrampur colliery under lodna area.

Repairing/overhauling of 01 (one) h.t. ocb switch 11 kv 400amps make gec sl.no. m-411 and local id no.bar/ sw/49 at bhatta sub-station bararee colliery of amal. joyrampur colliery under lodna area.

Partial repairing/overhauling of 400amps 11 kv vcb switch make electrotecnica sl.no.sgi-2315 of amal. joyrampur colliery under lodna area( colliery id. no. bar/sw/vcb/11kv/32).

Complete repairing/overhauling of 400 amps 550v gec make ocb sl. no. 314711/117 local id.no. jl/sw/ocb/550v/17 at 2 pit jealgora colliery of amal. joyrampur colliery under lodna area.

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 )

Partial repairing of 400 amps 11 kv gec make ocb switch at jealgora 2 pit sub-station for bus cupler feeder i and ii sl. no. m-414 colliery id jl/sw/ocb/11 kv/12 of amal. joyrampur colliery 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.

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 of 1 no.(one) no.1200 amps 550volt gec make ocb switch with busbar sl.no.50/0109 and local id. no. joy-05 and lt/sw/7 at 5 pit sub-station of amal. joyrampur colliery under lodna area.

Complete repairing of 800 amps 440 volt ocb switch ( old model) make crompton greaves local id. no. jl/sw/ocb/ 440v/15 sl.no. 71656/51 at 2 pit jealgora colliery of amal. joyrampur colliery under lodna area.