A)complete repairing and overhauling of one(01) no.400amps 440volt id.no. sw/ocb/ 440v/43 (b) partial repairing of one(01) no.400amps 440volt id.no.bccl/ nt/sw/440v/44(c)complete repairing of 3.3 kv id.no. bccl/ nt/sw/ocb/3.3 kv/63 installed at

(a)complete repairing and overhauling of one(01) no.200amps 550volt kilburn make ocb switch sl. no.13958 and local id.no.jg /sw/ocb/550v/54 (b)sl.no.14015 and local id.no. jg/sw/ocb/ 550v/55 for power controlling of batta pump switch of amal.nt-st

Partial repairing of 3.3 kv 400 a ocb switch local id. no. bccl/nt/sw/ocb/2 installed at 6 no. sub-station of amal. nt-st-jg colliery under lodna area.

Repairing of 01 (one) no. 200 amps 440 volt sd-15 type kilburn make ocb switch with busbar sl.no. 14018 local id-bccl/jg/sw/ocb/550 v/33 at durga mandir sub-station of amal.nt-st-jn colliery under lodna area.

Complete repairing and overhauling of 1 no. 250 amps 440volt kilburn make ocb switch sl. no.573 id no nt/st/ocb /440 v/31 for power controlling of officer colony lighting line switch at amal. nt-st-jg colliery under lodna area.

Complete repairing and overhauling of 1 no. l.t. o.c.b.switch 550 volts 200 amps kilburn make sd-15 (local id.no. bccl/jg/sw/550v/25 ) at paharigora sub-station of amal.nt-st-jg colliery under lodna area.

Complete rewinding of one 50 kva 550v/440v lighting transformer( sl.no. bccl/nt/50kva/tr/06) at s.t. workshop for pumping and workshop lighting purpose at nt-st workshop of amal.nt-st-jg colliery under lodna area.

Complete repairing and overhauling of 1 no 200a 550v kilburn make ocb switch for power controlling of kt sub-station lighting line switch at nt-st-ocp local id-jg/sw/ocb/550v/2 under lodna area.

Complete repairing of 11 kv 400 amps ocb switch make southern gear ( local id no. bccl/nt/sw/11kv/61) and serial no-0762/945 at amal. nt-st-jg colliery under lodna area.

Complete overhauling of volcan make 5 stage pump at amal.nt-st-jg colliery under lodnaarea.(sl. no. bccl/nt/pump/800 gpm/04 ).