Complete repairing and overhauling of a) 200 amps 550 volt kilburn make ocb switch sl. no.14059 id no bag/sw/ocb/550 volt/10 for power controlling of radha chakki worker colony lighting line b) 200 amps 550 volt kilburn make ocb switch sl. no.1463

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.

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

(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 200 amps abc switch make -mine line 550 volt sl.no.5151 at keshalpur colliery akwmc under katras area.

Complete repairing of 400 amps ocb switch make -gec volt 550 sl.no.301542 at 20 pit sub-station angarpathra colliery under akwmc katras area.

(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.

Kilburn make sd-15 / 200 amps 440 volt dol starter of bhagatdih under rocp/sj.

Repairing of safety protection and on off mechanism of 400 amps ocb switch make-gec volt 550 sl.no.314711 163 at ramkanali coliery under akwmc katras area