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

(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)repairing and overhauling of one (01) no. h.t. switch 11kv 400 amps make g.e.c. sl.no.12636 local id. no. jl/sw/11 at 2 pit sub-station jealgora controlling switch of o/h line feeder-ii (b) repairing and overhauling of one (01) no. ocb switch 11

(a) complete repairing and overhauling of safety protection of 1 no. h.t. switch 11 kv 400 amps biecco make ocb (b)complete repairing /overhauling of one(01) 400amps 550volt easoni make ocb switch with busbar sl. no. 12k6021of amal. joyrampur coll

(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

(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

(a)complete repairing and overhauling and safety protection of no. h.t. switch 3.3 kv 400 amps gec make ocb switch sl.no. ocb/m-163 local id no. bccl/nt/sw/3.3kv 05 (b) complete repairing and overhauling of 1 no. 400 amps 440 volt gec make ocb switc

Omplete repairing/ overhauling of h.t. switch 3.3 kv 600 amps vcb switch make andrewyule sl.no. 5196 station (b) complete repairing/ overhauling of h.t. switch 11 kv 400 amps (c) complete repairing 11 kv 400 amps vcb switch yule make sl.no. 2927 and

Repairing and overhauling of a) gec make 550 v 440 v 600 amps ocb b) kilburn make 600 amps 550 volt ocb c) kilburn make 400 amps 550 volt acb d) abc make 400 amps 550 volt acb at nakrakonda kuamrdihi b colliery under bankola area.

(a) complete repairing and overhauling of one (01) no.200amps 550volt (b) complete repairing and overhauling of one(01) no.200amps ( c ) complete repairing of 01(one) no. ht switch 11 kv 400 amps