Overhauling and maintenance of 500kva transformer 11kv/440v lighting transformer oil cooled type make gec s.no.vq87/3492 of patherdih township of patherdih coal washery

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

Complete repairing/overhauling of 400amp440v oil curcuit breaker switch gear sl. no.30/0496 make gec patherdih colliery under asp colliery

Complete repairing and overhauling of 800 amp.440v/550v gec make sl. no 40/0076 of patherdih colliery under asp colliery.

Complete repairing/over hauling of 400amp (lt) 440v oil ckt breaker switch, sl no 30/0114, make - gec of patherdih vi seam sub station under asp colliery

Complete repairing and maintenance of lt 440v overhead line of patherdih colliery under asp colliery.

Complete repairing / overhauling of 400 amp 440volt sc no 314711/62make gec ocb switch gear of bccl lodona patherdih under asp colliery

Complete repairing overhauling of 440 volt,400 amp,slno.30/1502 gec make lt oil circuit switch gear of patherdih colliery sub- station under asp colliery.

Repairing and overhauling of 800a 440v ece make sl. no 6574 type lib 2 ocb main controlling switch for lighting line of nine seam colony patherdih under asp patherdih colliery.

Complete repairing/ maint. of lt (440v) over head line of new mines basti side sudamdih under asp colliery.