(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col

Complete repairing/ rewinding of 300 kva 11 kv/ 440 volts bruce pebbles co. ltd. transformer make sr. no.-17954 was installed at chp sub-station of gkk colliery under kusunda area

Complete rewinding and repairing of eaei make 200 kva 11kv/440 v transformer sr. no.- 786/cf17 installed at col board colony of ngk colliery under kusunda area

For complete repairing/rewinding of 630 kva, 3.3kv/440 volts transformer m and b make, sl.no. prm-129003 of alkusa sub-station of ngk collieryt under kusunda 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.

For complete repairing /rewinding of 600 kva, 11kv/550v transformer of alkusa sub-station of ngk colliery under kusunda area

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

For complete repairing/rewinding of 500 kva, 6.6 kv/440 volt lighting transformer make n.a sl no. mud/sij/32 at 10 no. sub-station of mudidih colliery under sijua area

Rewinding of 500kva 3.3kv/440 volts to 11kv/440 volts transformer installed at abg colliery under govindpur area

Repairing / rewinding of 450 kw, 3.3 kv, 1475 rpm, and gec make motor of ngk colliery under kusunda area.