Supply and commissioning of 11kv, 10a, restricted neutral grounding (ngr) for 03 nos. 2 nos. 2mva and 01 no. 5mva, 11kv/3.3kv transformer at regional sub station under kathara colliery kathara area

Supply and installation of neutral grounding resistance along with fail-safe relay arrangement for the system voltage 6600 volt of jhanjra project colliery

Supply , installation and commissioning of restricted neutral grounding monitoring system of 01 no 2mva ,11kv 3.3kv surface transformer deployed at kumardihi a colliery under bankola area .

Installation and commissioning of restricted neutral grounding monitoring system for 2mva 11kv 3.3kv non flp transformer of cm project at nakrakonda kumardihi b colliery under bankola area.

Installation and commissioning of two nos. of ngr monitoring system along with fail safe arrangement for two nos. 11kv/3.3kv, 1mva transformer at 6 no and 9 no sub-station at dalurband colliery.

Modification of restricted neutral grounding monitoring system from 50 ampere to 10 amperes along with oti and with assembly in shyamsundarpur colliery under bankola area.

Supply and installation of restricted ngr system with fail safe monitoring relay, wti and oti protection device for 3 nos. of power transformer of shyamsundarpur colliery under bankola area.

Supply, installation and commissioning of two nos of ngr monitoring system along with fail safe arrangement for two nos. of 3.3kv/550 315kva tsu in quarry sub-station of dalurband ocp.

Supply , installation and commissioning of restricted neutral grounding monitoring system of 01 nos. 3.3kv 550v transformer at millennium incline 31l 28 d of shankarpur colliery under bankola area (retender).