Making of 21 nos maintenance free chemical earth pit at various lighting transformer sub-station of jealgora section of amal.joyrampur colliery under lodna area.

Complete rewinding/ repairing installation commissioning and transporting of 1000 kva 11 kv/3.3 kv sl.no. 224305/1 (local id no. nt/1000 kva/tr/12) gec make power transformer at kujama colliery under lodna area.

Partial repairing stud bushing and gasket changing of 2 mva 11 kv/3.3 kv power transformer make eef sl. no. 4015055 colliery id. no.bccl/ nt/2000kva/ tr/01 of amal.nt-st-jg colliery under lodna area

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

Partial repairing 1.5 mva 11 kv/550 volt power transformer make electric construction and equipment co. ltd at new sub-station at 7 pit jealgora sl.no. c-6519/82 local id. jl/tr/08 at jealgora colliery of amal.joyrampur colliery under lodna area.

Complete repairing and overhauling of 01(one) 400 amps ocb switch 11 kv primary controlling of 11 kv/440v 500 kva lighting transformer e.c.e. make sl. no. jl/sw/48 at dumariyatand jealgora colliery of amal. joyrampur colliery under lodna area.

Changing of gasket and studs of 1000 kva 11kv/550 volt power transformer sl.no. 17189 and id.no. 07 at 7 pit sub-station of jealgora colliery under lodna area( local id.jel/tr/1000 kva/07).

Complete repairing of 100 kva 11 kv/440 lighting transformer sl. no. 2026 and local id. no. bccl/nt/100 kva/tr/14 of amal.nt-st-jg colliery under lodna area.

Overhauling of 50 kva 550/440v 220v phase to phase lighting transformer of bastacolla ocp, bastacolla colliery and treatment of its earth pit..

Changing of gasket and studs of 1000 kva 11kv/550 volt power transformer sl. no. 17189 and id. no. 07 at 7 pit sub-station of jealgora colliery