Repairing of 200 amp kilburn make sd-15 type oil circuit breaker sl. no.- 03601440 volt at bnr siding rocp/sj.

Complete repairing 3 nos. of sd-15 (i) 200 amps 440 volte make kilburn installed at huchuktand sub-station of 09 no. siding( local id bccl/nt/sw/ocb/440 volt/52) (ii) 440 volt 200 amps kilburn make main switch of l.t. switch and (iii) 440 volt 200

Repairing of dol starter kilburn make sd-15 150 amp 550 volt sl. no. 9123 at kuya ocp.

Complete repairing of sd-15 ocb switch 200a, 500/550v, make kilburn of 4 pit substation of ebc under rocp/sj.

(a) repairing of ocb starter, sd 15, make-kilburn, 200a, 440v and (b) ocb starter 200a kilburn make sd-15 starter under amp colliery, barora area.

Repairing of kilburn make star delta starter sd-15 type 550 volt of dobari colliery.

(a) partial repairing of 01(one) no. 400 amps 440 volt a.b.c. make switch (b) repairing of 01(one) no. 200 amps 440 volt kilburn make ocb c) repairing of 01(one) no. 400 amps 440 volt g.e.c ocb switch of kujama colliery

Complete repairing of kilburn make sd 15 type ocb switch 550volts 200 amps seam of kuya colliery.

Repairing and overhauling of a) gec make 550 v 440 v 600 amps ocb b) kilburn make 600 amps 550 volt ocb c) kilburn make 400 amps 550 volt acb d) abc make 400 amps 550 volt acb at nakrakonda kuamrdihi b colliery under bankola area.

Making complete new busbar 800 amp 440 volt at bnr siding rocp/sj.