Complete repairing/overhauling of 2 nos h.t. switches (i) 11 kv vcb switch 400 amp make andrewyule sl.no.2925 local id.no. joy-3 sw-1 (ii) vcb make andrewyule11 kv 400 amps. sl.no. 5192 local id no.- joy-5 sw-1 of amal. joyrampur colliery under lodn

Repairing of h.t. switch 3.3 kv 01 (one) no. 200 amps. yaskawa make dol starter sl.no. 98738 for controlling of 500 kva transformer main switch at 1 pit sub-station of amal. joyrampur colliery under lodna area.

Complete repairing of 01 no. dol starter of 3.3 kv 400 amps of mine line make serial no-nt/st/strdt /3.3 kv/16 si. no-htsd-05 at patch-g of kujama colliery under lodna area.

(a) complete repairing and overhauling of safety protection of 300 amps 440volts sl.no. 51a-725 local id.no. joy-03 sd-15 (b) 300amps 440voltsl.no. 51a-7259 local id.no. joy-03 sw-13 for power controlling of b.r. company of joyrampur colliery under

Complete repairing of 400 ampere vacuum contactor 3.3 kv control panelstar delta starter3.3 kv 500 hp type dol nflp make mine line controlling to h.tmotor pump for bhowra south ejarea.

Installation of 3 nos 1250 amps ab switch at one for o seam feeder ocp 3.3 kv controlling 2nd for ganga feeder in ocp 3.3 kv controlling and 3rd in prabhu feeder for 3.3 kv pump controlling in 6 no. sub-station of amal. nt-st-jg colliery under lodna

Complete repairing of 01 (one) no.vcb star-delta-starter of prabhu make operating voltage 3.3 kv 400 amps. capacity for controlling of 670 kw motor of 4000 gpm pump-motor having sl. no. ht-197 ( local id.no. nt/st/strdt/3.3 kv/19 )with kujama

Complete repairing and overhauling of 1 no. h.t. switch 11 kv 400 amps ece make ocb switch for controlling of 1000 kva transformer main switch at 5 pit sub-station at joyrampur colliery of amal. joyrampur colliery under lodna area.(local id.no.joy-5-

Complete repairing of biecco make ocb switch 11 kv 400 amps controlling of lighting transformer 250 kva in 3 pit sub-station joyrampur colliery of under lodna area (local id. bccl/joy 3/ sw/ocb/11 kv/06 ).