Providing and fitting of safety device relay pt fitted for 6.6kv nflp ocb ece make 800a indoor type ctr 1005a, sl. no c 2 at cocp substation under asp patherdih colliery.

Repairing and overhauling of 800a ece make lt ocb switch sl. no- 1749 at 14 no. feeder substation asp colliery

Complete repairing of 800a, 440v, gec make ocb switch s.n.- 40/0520 controlling of mathadih colony lighting line under abc colliery.

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

Complete repairing and overhauling of 800a, 550/440v ocb with busbar switch ece make sl no - 6597 at site in chandro sub-station gopalichak colliery.

Repairing/overhauling of reyroll make ocb 400amp.440v sl.no.441 at 3/16substn lbc(ii)repairing of ocb 400amp/440v make gec sl.no.30/510 at bsp(iii)and complete repairing/overhauling of lt switch make ece,800a at loyabad colliery under sijua area

Complete repairing and maintenance of ht 6.6kv oil circuit breaker 800a sl. no 8007 make ece of asp colliery.

Repairing of 400 amps ece make ocb for 1 mva primery controlling at main substation of bankola colliery

Provide and fitting of safety device relay pt fitted for 6.6kv nflp ocb ece make 800 amp. indoor type ctr 100 5 5a sl. no c 4 at cocp under asp patherdih colliery.

Complete repairing/overhauling of 800a/440v lt ocb gec make sl.no 40/0029 for controlling of 500kva transformer installed at sector-ii of dugdha township under block-ii area