Complete repairing and overhauling/safety protection of 800 amps 550 volts crompton parkinson make o.c.b. switch local id. no. bar/sw/35 for power controlling of winch and 6 no. pit at bararee colliery of amal. joyrampur colliery under lodna area

(a)complete repairing and overhauling of 1200 amps. ece make 550 volt o.c.b. switch with busbar sl.no. 6664/36 id.no. bccl/nt/sw /ocb /550 volt/64 (b) complete repairing and overhauling and safety protection of 1 no. h.t. switch 3.3 kv 400 amps prabh

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

Complete on site repairing of three no of reyrolle burn make 550v, 200 amps acb of bankola colliery.

Complete repairing and safety protection of 3.3 kv/400 amps vcb starter prabhu make at kocp.

Complete on site repairing of three no of reyrolle burn make 550v, 200 amps acb of bankola colliery.(retender)

Complete repairing and overhauling/safety protection of (a)400 amps 550 volts gec make ocb switch sl.no. bar/ocb/02 for power controlling lighting line of nunudih basti and bhuli type colony digwadih and (b) 400 amps 550 volts gec make ocb switch sl

Complete repairing and overhauling of safety protection of 1 no. h.t. switch 11 kv 400 amps ece

Complete repairing /overhauling of 1 no l.t. o.c.b. switch 440 volts secondary switch 200 amps kilburn make sd-15(local idbccl/st/sw/ocb/400v/14) of amal.nt-st-jn colliery under lodna area.

For installation of safety protection of ocb switch 6.6k, 400 amps. sl. no. hv/346, biecco lowrie 7/8 substation of tmc