(a)new winding of 07 nos. vibrator transformer and new core changing volt input 220v, 2.17amp to volt output 440v, 12.5amp of rcb 00 and (b) repairing of 24 no. plate rectifier unit 24 amp for vibrator ing panel at rcb 00 out of 32 nos. vibrator

Repairing and rewinding of 500 kva, 3.3kva/440v make v.a electrical industries light transformer si. no.860011 of dhemomain pit colliery under sodepur area.

(a) repairing of tie rod assly of both lhs and rhs, (b) replacement of ht shoe and (c) repairing of rhs and lhs engagement coupling with cylinders of ekg-5a shovel sl. no. exc-2859 (583) at kathara colliery.

Repairing of lhs and rhs steering linkage assembly of bh-100 tonne dumper machine sl. no. d-1319, (cil-11725) of kathara colliery.

Minor denting and fitting of operator cabin in new safety glass fitting along with rubber bit and key and repairing and fitting of operator seat and back rest in drill idm-30 (new and old) and drill 650 sl. no. 1508, rd-1321 and recp-1413 of kathara

Repairing of boom assembly with its eye hole, both side track tensioner assembly and hydraulic oil coolers with cooler louver of ck300 shovel sl. no. 764 deployed at topa ocp, kuju area.

For repairing of h.v. ring assly. of ekg shovel sl. no. 523 at akwmocp katas area bccl.

Repairing of operator cabin, replacement of door lock and glass frame, replacement of safety glass and rep. of operator seat of lt hydraulic shovel sl. no. ck300- b776 at asbnocp, sijua area.

Repairing of h.t panel, ht panel box with mounting, replacement/repairing of complete wiring harness and corresponding electrical devices of ck300 shovel e172 deployed at topa ocp, kuju area.

Repairing of wiring from hoist generator to hoist motor, crowd generator to dc panel with repair and maintenance of crowd desk, magnetic amplifier hoist of ekg5a hmb 591 rope shovel of kdh project.