(a) repairing of one no neutral grounding resistor 3.3kv grade 200amp sl no htrn1569 in circuit with 3 mva 11kv /3.3 kv transformer (b) repairing of one no battery charger 415 volt /110 volt 30 amps with laying of dc , ac control circuit for diffe

Repairing and overhauling of restricted neutral grounding system of 1.5 mva 11kv/3.3kv transformer at ena ocb substation at kusunda area.

Repairing of neutral grounding resistor installed in 1.5 mva,11/33kv transformer installed at dhansar pit substation of adi colliery

Dehydration, filtration and commissioning of 1 mva 11kv/3.3kv power transformer, 100kva 3.3kv/440v lightening transformer, 25kva 550v/220v lightening transformer and 300kva 3.3 kv/440v lightening transformer at south samla unit of msam colliery under

Supply and installation of 3.3 kv grade neutral grounding resistor (ngr) with safety features at 10no. substation of sarubera project under kuju area

For repairing of 03 nos. 11 kv ocbs 400 amps for controlling of 01 nos. 3 mva and 02 mva power transformer of main sub-station under bhurkunda colliery.

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.

Repairing of 1 mva, 11kv/3.3kv power transformer installed at parasea ocp substation.

Onsite supply n installation of 02 nos 3.3 kv grade, 10 amps neutral grounding resistor for 02 nos 11kv/3.3kv power transformer installed at main substation in respect of karo ocp , bnk area