Repairing/reconditioning of 3.3kv, 400a, reyroll burn make ocb. sl.no. 82/104, installed at dumerbera sub-station for controlling 3.3kv power supply 10 16b quarry of ara colllery. repairing/reconditioning of 11 kv, 400 amp, ocb of ara colliery.

Supply and installation of 4 nos of timer switch sets to be installed at different location of ara colliery to control the lights installed at po office, dumerbera sub-station, ara kanta substation and 16b quarry of ara colliery under kuju area.

Repairing and maintenance of 11kv and 3.3kv bus bar of 2 mva , dumerbera sub-station along with repairing of damaged wall and fixing of existing main gate of 2mva dumerbera sub-station of ara project under kuju area

Repairing and complete rewinding of the national electrical indus ltd. make ,1mva,11kv/3.3kv, s.no. ry/775 , power transformer installed at dumerbera substation of ara colliery under kuju area.

Work for con of existing 3.3kv bus-bar of ara-kanta substation into 11kv bus-bar, dismantling of complete 3.3kv oh line from ara -kanta substation to dumerbera substation and installation of transformers at ara kanta substaion

Maintenance and reconditioning of 11kv,400a reyrolle burn make ocb si no. 827236 of ara colliery under kuju area.

Supplying and fixing of 04 nos. 11kv , 400a goab at various locations of sarubera project under kuju area.

Changing of 05 nos of damaged pole in 11kv,3.3kv and 440v oh line along with repairing of 01 no of goab switch and installation of 01 no. 11kv grade ,600a goab switch at ara colliery under kuju area.

Repairing and complete rewinding of 630kva ,3.3kv/440v, s.no.ara/tr/01, lighting transformer installed at ara kanta substation of ara colliery under kuju area.

Repairing and maintenance of 3.3kv, 630a, goab installed at different substation and ohl of topa project under kuju area.