Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area

Annual maintenance contract (camc) for 75 nos. of 1.5 ton and 2.0 ton air conditioners installed at different locations under gm unit, a-c area

Repairing and maintenance of 07 nos 3.3kv vcb installed at different colonies under kargali ocp, bnk area, ccl

Repairing of 4 no 3.3kv vcb of different make installed at&#x0d potanga quarry under urimari&#x0d ocp.

Repairing and maintenance of air conditioners installed at different offices of kargali ocp

Repair and maintenance of 3 nos 3.3 kv grade circuit breaker installed as primary control of transformer at different colonies under kargali ocp.

Repairing and reconditioning of 03 nos. 11kv/3.3kv vacuum circuit breaker installed at different substations and mines of topa ocp under kuju area

Repairing and reconditioning of 02 nos. of 11kv olg make vcb and 02 nos. of 3.3kv olg make vcb installed at tapin south ocp under hazaribagh area

On site repairing of 2 no 3.3kv vcb (400amp, make-pce and 630amp, make- gec acstom)&#x0d installed at 11kv sub-station under urimari ocp.

Fixing of double core double ratio ct in primary control switches of different power transformer of different rating installed at different colonies under kargali ocp.