A)complete repairing and overhauling of 1 no h.t. switch 11 kv 400 amps biecco lowrie make sl.no. 51 and local id.bccl/jg/sw/ocb/11kv/51(b) partial repairing of 11 kv 400 ampslocal id. bccl/nt/st/ocb/11kv/8 of amal. nt-st-jg colliery under lodna area

A) complete repairing and overhauling of one(01) no.200amps 440volt kilburn make ocb switch sl. no. bccl/jg /sw/ocb/ 440v/29440v/29 (b)bccl/jg /sw/ocb/ 440v/45 (c)bccl/nt/sw/ocb/11kv/46 (d)nt/sw/acb/440 volt /59 at amal.nt-st-jg colliery under

Repairing/overhauling of 400 amps. 11 kv biecco make ocb switch local id-jg/sw/ocb/11 kv/47 for primary controlling of 2 mva 11kv/3.3 kv power transformer at 09 no. siding of amal. nt-st-jg colliery under lodna area.

Repairing and reconditioning of 11kv 400amp biecco lowrie ocb of bastacolla colliery.

Complete repairing of biecco make ocb switch 11 kv 400 amps controlling of lighting transformer 250 kva in 3 pit sub-station joyrampur colliery of under lodna area (local id. bccl/joy 3/ sw/ocb/11 kv/06 ).

Repairing of biecco lowrie make ocb switch 11kv with busbar at chandmari colliery.

Repairing of 400 amp 11kv ocb with busbar biecco lowrie controlling 500kva 11kv/440v transformer bgr of kocp.

(a)complete repairing of star delta starter sl.no.sa-1164 with local id no. nt/strdt/ 3.3 kv /65(b)complete repairing 3.3 kv 400amps ocb switch id.no. bccl/st/sw/ocb/3.3 kv/16 ( c ) id.no.jg /st/auto/550v/49 of amal.nt-st-jg colliery under lodna a

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.

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.