Complete rewinding of 315 kva tsu transformer rating 3.3 kv/440 v kirloskar make local id.no. nt/tsu/315 kva/tr/18 of amal. nt-st-jg colliery under lodna area.

Repairing rewinding of ay make 315 kva 3.3 kv 550 v tran switch transformer of bankola colliery

(a) complete rewinding/ repairing of 315 kva 3.3 kv/440 volt lighting transformer. nt/tsu /315kva /tr/18 (b) complete rewinding/ repairing of 315 kva 3.3 kv/440 volt lighting transformer (tsu) sl.no. ts/824 and local id.no. bccl/nt/315/tr/19

Complete rewinding/ repairing tsu (local id no. lph/tr/38) 315 kva of rating 3.3 kv/550 volt of power transformer in 1 pit lodna colliery under lodna area.

Site repairing of 2 nos 315 kva 3.3 kv 550 v tsu si no frt1116 and frt 180 of shyamsundarpur collieru under bankola area.

Complete repairing/ rewinding of 315 kva andrew yule make 3.3kv/550v tsu and 3.3 kv acb, 50 hp reverse forward er of msam colliery

Complete repairing and overhauling of(tsu ) h.t. primary 3.3 kv 3 phase and l.t. secondary switch 550 volt sl. no. 371181/5 and local id. bccl/lph/tsu/315 kva/38 at lodna colliery of amal.joyrampur colliery under lodna area.

Repairing and rewinding of 55 kw 550 v 3 phase motor and 6.6 kv/ 550 v 400 kva tsu of khottadih colliery.

Repairing and rewinding of 2 nos. of 315 kva, 6.6 kv / 550 v in khottadih colliery.

Complete repairing overhaluling of 315 kva 3.3 kva 550 volt make mine line slno 0519 at ramkanali colliery akwmc of katras area