Repairing of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.

Repairing and rewinding of 315 kva power transformer 11kv/440v make crompton greaves, sl no- gop-02 for patch b gopalichak colliery.

A. repairing of 3.3kv ocb switch 400a, ctr-100/5a, make-ece, sl.no.-1437 installed at main sub-station of gvp phase-ii ocp and b.repairing of 3.3kv ocb switch 400a, ctr-100/5a, make-ece, sl.no.1439 installed at main sub-station of gvp phase-ii ocp.

Repairing of 400a, 11kv biecco lowrie make ocb switch, sl.no.116-1952 for controlling of 11kv/440v transformer at budora &#x0d sub-station of phularitand colliery

Complete repairing of 11kv nflp ocb ece make, 400a, indoor type,ctr-200-100-5 -5a, sl. no-06 for 250 kva 11 kvby440 volts transformer for approval for dgms at 4a patch sub- station of bhowra south colliery

Complete repairing and overhauling of safety protection of 1 no. h.t. main switch 11 kv 400 amps gec make ocb switch ctr-200 /100/5a sl. no.-01 local id. no. bccl/m/sw/11 kv/01 of 6 no. sub-station of amal. nt-st-jg colliery under lodna area.

Complete repairing of 3.3kv ocb ece make,400a, indoor type, ctr-400-300/5a-5a, sl. no.-bph/ 02 secondary controlling main of 2.5mva transformer 11kb/3.3kv and controling of 3.3kv o/h d feeder to obtain dgms permission and safety point of view under b

Repairng of 200 amp. ocb switchgear, 550/500v ctr 200/100/5, sl no-f/20304 of 23/8 incline, bhowra (n) colliery under ej area

Repairing of 11kv 400a ocb switch crompton greaves ctr controlling to 100 kva power transformer 11kv/440v installed at outsourcing camp bastacolla ocp.

Repairing and reconditioning of erskine heop make 11kv, 400a nflp oil circuit breaker ctr 300-200/5-5 s.no. 274691 primary controlling of 3.15 mva transformer 11 kv/3.3 kv sl no 11271 to obtain dgms permission and safety point of view under bhowra po