Complete overhauling and repairing of 1 no. roof bolting m/c pnm no. 02 in r/o 7/8 incline of dhori (k) colliery, dhori area ccl.

Repairing of 3.3kv, 100-amps, m.v. make ocb s.no. sdp/pnm/67 and 3.3kv, 400-amps, biecco lawrie make ocb secondary main controlling switch of 1-mva power transformer of sheetalpur colliery under sodepur area

3. (a) repairing and maintenance of 150 hp 550 v 1480 rpm pnm no 35 induction motor in r/o of 7/8 incline (b) repairing and maintenance of 120 hp 550 v 1440 rpm pnm no 13 induction motor in r/o of 7/8 incline of dhori (k) colliery, dhori area ccl.

Repairing of (01) 3.3kv, 400amp make gec , acb for tsu pnm no 03 (02) repairing of 550v, 400 amps make gec, ocb pnm no. 04 installed at 7/8 incline in respect of dhori (k) colliery, dhori area.

Repairing and rewinding of 550v induction motor of different capacity installed at 7/8 incline, dhori (k) colliery, dhori area, ccl.

Repairing of 400 amps gec make 11kv ocb (ht switch) at millinium incline shankarpur colliery under bankola area

Repairing and maintenance of 2 no dol starter, 1st 150 amp, 550 volt, pnm no. 52, make yule and 2nd 200 amp, 550 volt, pnm no. 53 at 4,5,6 incline in r/o dhori (k) colliery, dhori area ccl

Repairing and maintenance works of one vole drum make tugger haulage assembly and its base frame of 7, 8 incline of dhori (k) colliery. ,dhori area ccl

Repairing and full overhauling of 55hp, 550v mamc make endless haulage of 7/8 incline, dhori (k) colliery, dhori 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