Dismantling, oil draining, wings, conservator etc. and transport to regional substation kathara including filtration and installation of 10mva 33kv/11kv power transformer of kathara colliery under kathara area.

Cleaning, washing, denting, painting, brizing and installation with unlocking of 3 mva, 11kv, 3.3kv transformer at regional sub-station kathara of kathara colliery.

Maintenance and repairing of 2 nos power transformer 1 mva 11kv/3.3kv and 3 mva 11kv/3.3kv of tnocp under hazaribag area

Trimming branches and cutting of shrub etc. during monsoon period along the overhead line 11kv,3.3kv,440v of kathara ocp under kathara area.

Maintenance work of ht line overhead line (11kv swg feeder, 11kv gvp ph-ii ocp feeder for monsoon preparation 2025 under gvp ph-ii ocp of kathara area

Repairing ad maintenance of power transformers (a) 3.15 mva 11kv 3.3kv of esp unit (b) 2mva 11kv 3.3kv of esp unit 1mva 11kv 3.3kv at sorpi unit (d) 3.15mva 11kv 3.3kv at sorpi unit e 1mva 11kv 550 volt at sorpi project

Online oil filtration and repairing maintenance of 02nos. 10 mva, 01no. 05 mva and 2nos. 03 mva power transformer installed at different location of kathara colliery under kathara area.

Dismantling of 1.5 mva 11kv/3.3kv transformer and installation of 2 mva 11kv/3.3kv transformer in its place, via dismantling and installation from gkkc to ena colliery, at kusunda area