Complete repairing rewinding of 400 amps 550v reyroll england make ocb switch of bankola colliery.

Complete repairing of 400 amps ocb switch 6.6 kv make ece,sl.no.k.c.c/03 main controlling of pit sub-station agkcc

Complete repairing/ overhauling of two (2) nos switch (a) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/11kv/05 and (b) 11 kv 400 amps ocb switch make ece local id. bag/sw/ ocb/ 11kv/03 03 at bagdigi colliery of amal. joyrampur colliery

Repairing of 11 kv 400a ece make ocb of c pit substation at nakrakonda kumardihi b colliery under bankola area

Complete repairing of 400 amps ocb switch 6.6 kv make-ece sl.no.8528 at agkcc colliery under katras area

Complete repairing of 400 amps reyrolle burn make 3.3 kv ocb switch of khandra colliery under bankola area.

Repairing of 400 amps gec make 11kv ocb (ht switch) at millinium incline shankarpur colliery under bankola area

Repairing of 3.3kv, 100-amps, m.v. make ocb s.no. sdp/pnm/67 and 3.3kv, 400-amps, biecco lawrie make ocb secondary main controlling switch of 1-mva power transformer of sheetalpur colliery under sodepur area

Repairing of safety circuit of the following ocb of tilaboni colliery under bankola area. 1. c and g make 3.3 kv 400 amps ocb 03 nos sl 01 02 803. 2. 3.3kv 400 amps ocb switch 01 nos sl 01 retender.

Repairing of safety circuit of the following ocb of tilaboni colliery under bankola area. 1. c and g make 3.3 kv 400 amps ocb 03 nos sl 01 02 803. 2. 3.3kv 400 amps ocb switch 01 nos sl 01