Complete rewinding /repairing of s and p make welding transformer 300 amps 440 volts 3 phase sl.no. 1548 ,local id-joy/03/wl/01 for joyrampur colliery of amal.joyrampur colliery under lodna area.

Repairing and rewinding of 300 amps 550 volts quasi arc company limited make welding machine sl.no. 001 at area auto garage under lodna area.

Complete rewinding /repairing of one(01) no.300amps 35 kva rocket arc welding transformer 550 volt 3 phase local id.no. joy/5/wl/02/550v at 5 pit sub-station of aml. joyrampur colliery under lodna area

For complete rewinding of 500 kva 6.6 kv/550 volts sr.no.6511/82 transformer installed at 22/12 sub-station of mudidih colliery under sijua area.

Complete repairing and overhauling of volga make pump starter 200 h.p. 550 volts 3 phase sl.no.7421 at water plant at joyrampur colliery of amal.joyrampur colliery under lodna area. local id.no. joy-5 and st-3.

Complete repairing /overhauling of 175 h.p. auto starter transformer starter 550 volt 3 phase and rewinding of auto transformer for 2 pit jealgora colliery of amal.joyrampur colliery under lodna area( sl.no. as/240/2010-11 and local id. jl/str/auto/5

Partial repairing stude gasket and cooling tube cleaning of 300 kva 2.2 kv/440v 3 phase marson electric make lighting transformer at jealgora 7 pit old sub-station sl.no. 12537 colliery id no. jl/tr/300 kva/11 of amal.joyrampur colliery under lodna

Complete rewinding/repairing of one no.200 kva 11kv/440 volt bharat bijlee ltd.make light transformer sl.no.638/3 local id bar/tr/200 kva/02 at bararee colliery(coal bhatta) of amal.joyrampur colliery under lodna area.

Complete rewinding/ repairing of 1000 kva 11 kv/550 volts power transformer of new godhur colliery under kusunda area

Complete repairing and overhauling of 1 no.submersible starter 550 volt sl.no.48 local id- bar/sub/str/04 175 h.p. sb make and rewinding of auto transformer 3 phase at bararee 6 pit bararee colliery of amal.joyrampur under lodna area.