Maintenance and reconditioning of 01 no.1250a, 33kv mocb, make-bhel si.no. 9027893 for primary control of 5 mva transformer 33kv/11kv feeding power to jarangdih feeder from regional substation under kathara colliery.

(a) maintenance and reconditioning of 1250 amp 33kv mocb primary control of 10 mva 33kv 11kv jarangdih feeder at regional substation of kathara colliery under kathra area. (b) dismantling and replacement of 33kv grade oil cooled current transformer o

Repairing and maintenance of 02 nos. 1250a, 33kv grade sf6 kirloskar make at regional substation of kathara colliery.

Complete repairing/reconditioning of 6.6kv, 1250a, mocb breaker of tr1 of post washery section

Maintenance and reconditioning of 1250a 33kv mocb of allind make installed for primary control of 10mva 33kv/6.6kv transformer at central sub-station basantpur under hazaribagh area

Complete repairing and reconditioning of 1250 amps 33kv sf-6 breaker sl. no. 3537/88 make- volts feeding power of ktw under regional sub station kathara colliery

Maintenance and reconditioning of 1250amp, 33kv, mocb of gidi washery under argada area.

Repairing of g.o.a.b. isolator 33kv, of different feeders at regional sub-statation , kathara

Repairing of goab isolator 33kv of different feeders at regional sub station kathara

Feeder at regional substation of kathara colliery under kathra area. (b) dismantling and replacement of 33kv grade oil cooled current transformer of sawang feeder 10 mva 33kv 11kv power transformer regional substation kathara under kathara area.