Complete repairing and maintenance of gec make ocb 400 amps, 550 v si no- 30/2049 at enm section of docp under cv area.

Docp under cv area.(c) repairing and maintenance of 800 amp, 440 v,sait mine line make acb,si no-sa-1550 at bittu khana chp(c) of docp under cv area.(d) complete repairing and overhauling of 3.3 kv, dol starter of parbhu make st no. docp/5/003 at

Repairing and maintenance of a) gec make ocb 400 amps, 550 v si no-docp/enm/s/11 at m section and b) 3.3 kv, 500hp/375kw, mine line make starter sl no-3034 at mine of docp under cv area.

Repairing of gec make 550 volt ocb at kuiya.

Complete repairing and overhauling/safety protection of (a)400 amps 550 volts gec make ocb switch sl.no. bar/ocb/02 for power controlling lighting line of nunudih basti and bhuli type colony digwadih and (b) 400 amps 550 volts gec make ocb switch sl

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.

Repairing of 02 no. 150 hp and 01 no. 300 hp mineline make 550 volt star delta starter and 01 no. 600 amps gec ocb and 02 no 400 amps 550 volt gec make ocb switch at mohanpur ocp under salanpur area.

Repairing of 400 amps gec make 550/440 volt ocb sl. no. 30/0173 with bus bar controlling kocp.

Complete repairing and overhauling of lt ocb crompton parkinson 550 v 400 amps si no- 1269a at dbocp.

Complete repairing of gec make, 400 amps, 550v, si. no. 30/2118, ocb switch at railway siding laikdih of dahibari colliery.