Providing and fixing of idmt relay, e/l relay with cbct, digital meter and other items in different 07 nos. 11kv and 3.3kv vcb, ocb at main 11kv/3.3kv substation for protection and safety purpose under bhurkunda colliery.

(1) complete repairing of 200 amps kilburn make sd-15 switch 550 volt sl.no.1092 for 40 hp pump at gtc unit asgkcc.(2) repairing of ocb switch 6.6 kv,400amp,sl.no.5705 make gec at salanpur colliery,(3) (a) oil leakage repairin

Repairing and reconditioning of 02 nos joint box of 180 kw and 370 kw ht motors, 02 nos 3.3kw er and foundation system of 3 phase alstom and marathon make a/c induction motor of karma project under kuju area.

(1) complete rewinding of h.t motor 187 kw,3.3kv make-kirloskar,sl.no.3901207-3 of akwmc ocp.(2) rewinding and repairing starter of 250kw/3.3kv and rpm-1491,induction motor make-marathon sl.no.183110/3 of ocp akwmc colliery under katras area

Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Repairing and maintenance of safety device connected in 5 nos. of 11kv/3.3kv power transformer having capacity (1x3mva, 2x2mva, 1x1mva and 1x1.6mva) at main substation under bhurkunda colliery.

For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.

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

Supply and fitting of korona make earth leakage relay in kilburn make er and acb of khottadih colliery under pandaveswar area.

Repairing and reconditioning of 1 nos 11kv vcb, andrew yule make and remote-control system at main substation of tsocp under hazaribagh area