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.

(a)complete repairing and overhauling of 1200 amps. ece make 550 volt o.c.b. switch with busbar sl.no. 6664/36 id.no. bccl/nt/sw /ocb /550 volt/64 (b) complete repairing and overhauling and safety protection of 1 no. h.t. switch 3.3 kv 400 amps prabh

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 &#x0d repairing and &#x0d overhauling of &#x0d 400a,easun &#x0d make,volt &#x0d 550,sons &#x0d engr.ltd.switch &#x0d sl.no.788658 at &#x0d bijli ghar &#x0d angarpathra..

Complete repairing of 400 amps ocb switch 6.6 kv make-ece sl.no.8528 at agkcc colliery 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.

Complete repairing and overhauling of 1 no. 200 amps 550 volt kilburn make ocb switch for power controlling of lighting line switch sl.no. 14020 and id no bag/sw/ocb/550 volt/14 at bagdigi colliery of amal. joyrampur colliery under lodna area.

Repairing of gec make 550 volt ocb at kuiya.

Complete &#x0d repairing of &#x0d 400amps ocb &#x0d switch, make gec,volt &#x0d 550,sl.no.330/0042 &#x0d controlling of &#x0d bijli ghar &#x0d angarpathra

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