Complete repairing and rewinding of (a) 01 no. 630kva, 3.3kv/440v k-sambhav make, with sl. no. ktc/tr/630/12 and (b) 01 no. 500kva, 11kv/440v gec make with sl. no. 22426418 oil cooled transformer for colony power supply under kathara colliery.

Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

(1) complete repairing of marshilling box with self cooling system 7.5 mva transformer 11kv/6.6kv at kantapahri sub-station akwmc. (2) repair and service of bic make,6.6kv,10amp restricted neutral grounding system,sl.no.1780/80

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s

(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

Complete rewinding/repairing of 400kva, 3.3kv/ 415 volt transformer sl no-te-232 make transgietz enterprises of jocp under hazaribag area.

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 vcb and its control panel of 3.3kv, 1250a, vcb andrew yule make, sl. no. 3126 secondary main control of 7.5 mva transformer with remote control panel installed at 33/11-3.3kv, 22.5 mva old substation of kdh ocp, nk 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

Installation of 10mva, 33kv/11kv transformer, sl. no. ks/1000/23/9, make k sambhav powertronics with differential protection and its accessories at 22.5 mva, 33kv/11kv-3.3kv old sub-station under kdh ocp, nk area