Complete repairing and reconditioning of 11kv 1250 amps vcb switch madiron make, sl no 6278 under kathara colliery.

Repairing and reconditioning of 01 nos. sf-6 breaker 33 kv/1250 amps and 01 no. control panel 33 kv /1250 amps of outdoor sub-station at kathara washery

Complete repairing/maint of sf-6 circuit breaker 33kv, 1250a, sl. no. 2393 make kilosker electrical co. ltd- banglore of regional sub-station sudamdih under asp colliery

Installation of a.b. isolator 33kv, 1250 amps and lighting arrestor 33kv, 30kv. (rms) 10ka for power supply to incoming and outgoing of ktw feeder at regional sub-station under kathara colliery

(a) repairing of one no. 33kv grade 1250 amps sf-6 circuit breaker make voltas sl. no. 6173/97 for control of dvc feeder 1 (b) repairing of one no. 33kv grade 1250 amps sf-6 circuit breaker make voltas sl. no. 6172/97 for control of 5 mva bharat bijl

Repairing and maintenance of 1250 amp, 33kv grade sf6 make aab of main controlling feeder no-1 at regional sub station kathara colliery under kathara area

Repairing of 11kv, 800 amps, vcb switch, make-meditron, sl. no. 0101 at regional sub-station of kathara colliery

Complete repairing and reconditioning of 6.6kv. 1250 amps vcb switch meditiron make, sl.no-te/225 under kathara colliery.

Repairing and maintenance of sf-6 circuit braker,33kv 1250 ampssl no. 2393, makekirloskar electrical co. ltd.banglore of regional sub -station sudamdih under asp colliery

Providing and fixing of goab isolator 33kv/1250 amps. and 11kv/800 amps. for power supply to different feeders at regional substation kathara under kathara colliery