(a) rewinding repairing of one 50 kva 550 415 volt lighting transformer (b) one 200 amps 550 volt a y make acb switch of kumardihi b unit of nakrakonda kumardihi b colliery under bankola area

Repairing and overhauling of a) gec make 550 v 440 v 600 amps ocb b) kilburn make 600 amps 550 volt ocb c) kilburn make 400 amps 550 volt acb d) abc make 400 amps 550 volt acb at nakrakonda kuamrdihi b colliery under bankola area.

A. repairing and overhauling of 400 amps 550 volt abc make acb switch(sl no flp acb 4824 and b. complete repairing and rewinding of 400amps essb make welding machine at cm project of nakrakonda kumardihi b colliery under bankola area.

Complete repairing and rewinding of 75hp ,550 volt ,740rpm slip ring motor of c and e pit unit under nakrakonda kumardihi b colliery under bankola area.

On site repairing and overhauling of a) andrewyule make 200 amps acb b) andrewyule make 200 amps 550 volt acb c) abc make 300 amps acb d) mine line make 300 amps 550 volt acb e) abc make 300amps 550 volt acb at mill. incline ug at shankarpur

A. complete repairing and rewinding of 40hp 550 volt 1470 rpm kirloskar electric make pump motor b. complete repairing and overhauling of 1 no 200 amps 550 volt belmosh make acb of bankola colliery under bankola area.

Repairing of 200a 550volt gce make acb switch in nakrakonda kumardihi b colliery under bankola area.

1. repairing and overhauling of 300amps 550volt andrewyule make sno flpcb52 19 acb switch and 2. complete repairing and rewinding of bharat bijlee make 15kw 20hp 550 volt 2900 rpm auxiliary fan motor of nakrakonda kumardihi b colliery under bankola

Complete repairing and overhauling of 1 no.(a) 400 amps 550 volt abc make a.c.b switch id no lc/sw/acb/550 volt/220 for power controlling of lighting line switch (b) 400 amps 550 volt abc make acb switch id. no.lc/sw/acb/550 volt/221 for controlling

Partial rewinding and repairing of 750kva, 11kv/440volt transformer of nakrakonda-kumardihi b colliery under bankola area.