Re-organisation of 550v overhead feeding power from mithani colliery sub-station to agent bungalow sub-station under mithani colliery under sodepur area

1.repairing of 3.3kv, 400amps reyrolle burn make ocb switch s.no. mith/pnm/19 of mithani colliery under sodepur area. 2.repairing of 3.3kv/100amps air circuit breaker (switch) of mithani colliery u

1. repairing of 550v mineline make gate end box breaker for sdl of dhemomain incline colliery under sodepur area. 2.repairing of 200a, 550v abc make acb of dhemomain i

Supply, installation and commissioning of neutral grounding resistance in 01-mva, 11kv/3.kv and 250-kva, 3.3kv/550v power transformer of mithani colliery under sodepur area

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

Complete repairing of abc make 200 amps , 550v acb and andrew yule make 200 amps ,550 v acb switch of bankola colliery

Repairing of kilburn 200amps and abc make 300amps, 550v acb switch gear of dhemomain incline colliery under sodepur area. 2.repairing of 150hp, 550v, kilburn make dol er of dh

Complete repairing of 400 amps, 550v, make mine line switch of 1- seam ug, nakc under govindpur area.

Repairing of one no of biccolowrie make, 400 amps, 11kv ocb, primary main of 1 mva transformer at surface substation and one no acb make 200 amps, 550v, abc of parbelia colliery under sodepur area.

A)partial repairing and safety protection providing of 400 amps 11 kv biecco lowrie make ocb sl.no.116-1956 (b) complete repairing/overhauling of 400 amps 550v ocb switch sl. no. bccl/jl/sw/ocb /550v/10( c ) partial repairing of 250 hp 550v auto star