Repairing of 01 (one) no. 200 amps 440 volt sd-15 type kilburn make ocb switch with busbar sl.no. 14018 local id-bccl/jg/sw/ocb/550 v/33 at durga mandir sub-station of amal.nt-st-jn colliery under lodna area.

Complete repairing and overhauling of 1 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (local id.no. bccl/jg/sw/550v/25 ) at paharigora sub-station of amal.nt-st-jg colliery under lodna area.

Complete repairing 3 nos. of sd-15 (i) 200 amps 440 volte make kilburn installed at huchuktand sub-station of 09 no. siding( local id bccl/nt/sw/ocb/440 volt/52) (ii) 440 volt 200 amps kilburn make main switch of l.t. switch and (iii) 440 volt 200

Complete repairing and overhauling of 2 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (1) local id.no. nsw/ocb/550 v/01 (2) local id.no. nsw/ocb/550 v/02 ocb of n.s. workshop under lodna area.

Complete repairing of kilburn make sd 15 type ocb switch 550volts 200 amps seam of kuya colliery.

Repairing of 01 (one) no. 200 amps. 440 volts sd-15 type kilburn make ocb switch with busbar sl. no.14009 and and local id no. kj/09 at m. pit sub-station kujama 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.

Complete repairing and overhauling of 1 no. 200 amps 440 volt kilburn make ocb switch sl.no.jl/sw/19 for controlling of 2 pit surface pump motor at jealgora colliery (sl.no.-1937) of amal.joyrampur colliery under lodna area.

Complete repairing and overhauling of 1 no. 200 amps 550 volt kilburn make ocb switch for power controlling of lighting line switch sl.no. 14020 and id no bag/sw/ocb/550 volt/14 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Complete repairing and overhauling of 1 no.1250 amps 440 volt ece make ocb switch sl.no.6666 local id bccl/nt/sw/1250 amps/56 at b.patch sub-station for controlling of dp-1 crasher main switch of amal.nt-st-jg colliery under lodna area.