Complete rewinding of 500kva, 3.3kv/440v transformer &#x0d at chitahi substation of amp colliery, barora area, sl.no&#x0d 224304/4 make gec.

Repairing/overhauling of reyroll make ocb 400amp.440v sl.no.441 at 3/16substn lbc(ii)repairing of ocb 400amp/440v make gec sl.no.30/510 at bsp(iii)and complete repairing/overhauling of lt switch make ece,800a at loyabad colliery under sijua area

Complete repairing and overhauling of pullen make 120 hp, 550v, 2900rpm submersible motor 6 stage pump at godhur 3 no. under ngk colliery of kusunda area

For installation of 06 nos.lighting arrestor with 06 nos.earth pit at lbc (ii)repairing and prive maintenance of o/h line 550v/440v/220v at various locations of sendra bansjora colliery under sijua area.

Repairing of 400amps. 440v, ocb switch mei make &#x0d coll. sl. no-lt/02 used to control lighting circuit of &#x0d cisf camp nicco plant of muraidih, amp colliery.

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

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 of 11kv, 400amps gec make ocb switch, &#x0d colliery sl. no. m-6500 for controlling of sahana &#x0d substation of amp colliery, barora area.

Partial repairing of 11kv 400amp ocb switch crompton greaves make at ena ocp, kusunda area

Repairing/rewinding of slip ring motor at south samla unit,msam colliery, repairing of ece make 11kv ocb at pandaveswar colliery and repairing of 3.3 kv, 315kva, tsu controlling ht switch, 400a at manderboni unit, msam colliery,pandaveswar area