(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col

For repairing/rewinding of 100kva, 550v/440v 3 phase lighting transformer of tetulmuri basti of mudidih colliery

Repairing and complete rewinding of 100kva,11kv/440v. si. no. ara/ttr/05, lighting transformer installed 4 no basti of ara colliery which is used for lighting power to 4 no basti of ara colliery under kuju area

Complete rewinding of 100kva 11kv/440v lighting &#x0d transformer installed at muraidih office, amp colliery &#x0d under barora area

Complete rewinding and repairing of 500 kva, 11kv/440v 3 phase lighting transformer colliery code kc/lt/01 of kenduadih colliery.

Complete repairing/rewinding of 100kva, 11kv/440v &#x0d make-gec, colliery sl.no-mur/tr/35 transformer for &#x0d lighting line purpose of muraidih colliery, amp &#x0d colliery.

Repairing and complete rewinding of 630kva ,3.3kv/440v, s.no.ara/tr/01, lighting transformer installed at ara kanta substation of ara colliery under kuju area.

Complete repairing-rewinding of 500kva, 11kv-440v transformer installed at new kenda colliery

Complete repairing and rewinding of 500kva ,11kv 440v kel make lightining transformer of old shyamsundarpur unit at tilaboni colliery under bankola area .

Complete rewinding / repairing of 100kva, 3.3.kv/440v lighting transformer at begunia colliery sub-station of begunia colliery.