Repairing of 3.3kv, 400amps gec make ocb switch sl no. m-628 for controlling of secondary 3.3kv switch of darnoda albion sub-station of damoda colliery.

Complete rewinding and repairing of 20hp motor kirloskar make,440v,1480rpm for controlling of damoda albion water supply of damoda colliery.

Repairing of 11kv, 400a gec make h.t. ocb switch sl. &#x0d no. m-6290 for controlling of 1000kva, 11kv/440v &#x0d lighting transformer switch at karmatand sub-station &#x0d of damoda colliery at barora area.

Repairing of 12kv, 800amps vcb switch biecco &#x0d lawrie make sl. no. vb8a-7762 for controlling of &#x0d 1mva transformer 11kv/3.3kv of albion sub-station of damoda colliery.

Repairing of 400amps, gec make ocb switch, &#x0d 440volts with busbar, type k-3, sl. no. 30/150 for &#x0d controlling of lighting line and fire area workshop of &#x0d damoda colliery

Providing and fitting of battery bank for two switches of 3.3kv,400a vcb prabhu make switch and 11kv,400a vcb switch a/yule &#x0d make controlling of 1500kva transformer 11kv/3.3kv power supply of 6inch pump near river side at muraidih s/s, amp colliery

Repairing of 400a, 440v, kilburn make ocb, and 440v,400a,star delta,a/yule make er 400a,550v,andrew yule, switch and 55ov,400a,dol,er installed at different locations of topa ocp under kuju area.

For complete repairing and overhauling of gec make switch sl. no. 314711/9,550v/400amps. of jogta substation at kankanee colliery

Repairing of 400a, 440v, kilburn make ocb, and 440v, 400a, star delta,a/yule make er and 400a, 550v, andrew yule, switch and 550v,400a,dol, er at kuju new siding of topa ocp under kuju area.

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.