Repairing of 1 no.(one)no.400 amps 440volt g.e.c. make ocb switch with busbar local id. no. kj/16 at 3-pit mohari bandh sub-station of kujama colliery under lodna area.

Repairing of 01 (one) no. 200 amps. 440 volts sd-15 type kilburn make ocb switch with busbar sl. no.14009 and and local id no. kj/09 at m. pit sub-station kujama colliery under lodna area.

Complete repairing of 01(one)no. 100a 440v sd-10 type ocb switch of kilburn make having sl no. 9777 local id -kj/sw/ocb/440 v/20 kept as spare at m-pit sub-station of kujama colliery under lodna area.

A)complete repairing of 02 (two) switch (i) gec make 400amps 440volt ocb switch with busbar sl. no. 314711/189 and local id no.kj/13 (ii)sd-15 type kilburn make 400 amps 440volt ocb switch local id no. kj/19 .(b) repairing of 01(one) no. 200 amps

Complete repairing of g.e.c. make ocb switch(local id.no. jl/sw/16) 11 kv 400 amp.controlling of power transformer 750 kva in 2 pit sub-station jealgora colliery of amal.joyrampur colliery under lodna area.

(a) repairing/ overhauling of one(01) no.800amps 550volt r sl. no. bar/sw/ocb/08(b) repairing of 01(one) no. 100amps 550volt sd-15 busbar local id.no. joy/3/sw/ocb/17 at 5 pit sub-station of amal.joyrampur colliery under lodna area.

(a) partial repairing of 01(one) no. 400 amps 440 volt a.b.c. make switch (b) repairing of 01(one) no. 200 amps 440 volt kilburn make ocb c) repairing of 01(one) no. 400 amps 440 volt g.e.c ocb switch of kujama colliery

A)complete repairing and overhauling of one(01) no.400amps 440volt id.no. sw/ocb/ 440v/43 (b) partial repairing of one(01) no.400amps 440volt id.no.bccl/ nt/sw/440v/44(c)complete repairing of 3.3 kv id.no. bccl/ nt/sw/ocb/3.3 kv/63 installed at

Repairing/overhauling of 1 no. 400 amps 11 kv ece ocb switch ( sl. no. 2152166) local id. no. kj/sw/ocb/11kv/02 for power controlling of lighting line at m. pit of kujama colliery under lodna area.

(a)repairing/overhauling of one(01) 800amps 440volt ece make ocb switch sl. no. 6583 local id no.kj/5 (b) repairing/overhauling of 01(one) 400 amps 440volt ece make ocb switch sl. no.6530 local id no.kj/12.( c ) repairing of 01(one) no. 200 amp