Maintenance and partial repairing of 300kva, 11kv/550v transformer, make-crompton greaves, s.no. 10375v at khas kusunda substation of gkk colliery under kusunda area

Repairing/overhauling of gec make ocb 400a.550v sl.no.314711/49 at ekra substation basdeopur(ii)rep/overhauling of 400amp,440v lt switch make-reyroll sl.no.cb952 at coke plant substation lbc(iii)rep/overhauling of 800amp,550v/440v acb make-abc sl.n

Repairing / overhauling and installation of safety deivce in 11 kv,400a ocb switch busbar,make -gec,s.no.5091 at khas kusunda substation of gkkc under kusunda area

Repairing of 400a, 440v, kilburn make ocb, and 440v, 400a, star delta,a/yule make er and 400a, 550v, andrew yule, switch and 550v,400a,dol, er at kuju new siding of topa ocp under kuju area.

Repairing and overhauling of different 03 nos. l.t switches, (550v, 400a, make- gec sl.no. 30/406), (550v, 600a, make-s.s.g, sl.no. 0320) and (550v, 300amp, make- kilbern) at different sub-stations under kankanee colliery. (b) for repairing of oc

For complete repairing of 100 amps, star-delta-starter, 550v, kilburn make of khas kusunda filter plant under gkkc, kusunda area

For complete rewinding/repairing of 75kva 550v/440v auto transformer of ngkc under kusunda area

Repairing of 400a, 440v, kilburn make ocb, and 440v,400a,star delta,a/yule make er 400a,550v,andrew yule, switch and 55ov,400a,dol,er installed at different locations of topa ocp under kuju area.

For dismantling, di, and erection of 440v,/550 overhead line at khas kusunda colliery under gkkc.