Maintenance and repairing at site for 03 nos. 2mva,01 no. 2.5 mva n 250 kva transformer with buchloz relay alarm bell system of power transformer at rwp under rajrappa area.

Repairing and maintenance of 08 nos. fog cannon, 01 instant shower system, 01 wheel washing system along with all electrical panel, necessary wiring and all other accessories with necessary connections at different locations in mines at bocp.

Minor repairing and cleaning of platform of 50t road weighbridge no-01 and 03 and painting of 04 nos. weighbridges with lightning arrestor pole, situated at tsocp under hazaribagh area.

Comprehensive annual maintenance contract for 05 nos of road weighbridges at bahula wb-1, bahula wb-2, new kenda oc(h), chora 10 pit n lower kenda colliery under kenda area for a period of 01 (one) year at kenda area

Rewinding and repairing of 250 kva, 3.3 kv/440 volt make transgietz enterprises sl-te/211 transformer installed at east colony of kuju colliery under kuju area.

Installation of 1.6 mva power transformer and 500kva 3.3kv/440volt transformer with bus bar, earthing arrangement , renovation of 440volt oh for providing power to movable mobile crusher at coal stock at karma main substation under kuju area

Repairing rewinding and repairing of one no. 1.25mva 33kv/3.3kv power transformer make andrew yule sl no 12024 installed at rajhara ocp under rajhara area along with providing certificate from nabl regarding high pressure test with dga test of oil

Supply and fixing of ngr 3.3kv 10 amp, 190 ohms for 3 nos., 1 mva, 11kv/3.3kv (2 nos.) and 1.6 mva, 11kv/3.3 kv (01 no.) power transformer installed at main and banwar substation at topa project under kuju area.

Maintenance and repairing at site of buchloz relay alarm bell system of 02 nos of 1mva,11kv/3.3kv power transformer at main substation and mine substation of karma project under kuju area.

Installation and commissioning with bus bar and goab of 750kva and 250 kva transformer at crusher substation of karma project under kuju area.