A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Auxiliary transformer 80va pri 500 525 550, part no. fs2004c,air breaker contactor 16amps, part no fs2003a,air break contactor 63 amps, part no fs2003e,direct acting thermal overload relay, part no fs2010a,earth leakage relay complete w.o. transf, part no fs2018,pilot relay 12v dc, part no fs2026,auxiliary contactor 2no 2nc 110v 415v 550v, part no fs2020,auxillary cantactor 3 no 1nc 110v 415v , part no fs2020a,i.s. pilot oanel instrinsically safe, part no fs2035,air break contactor 40amps upto 20hp 550v, part no fs2003c,isolator 200 amp,3.3 kv on off, part no ht100,vacuum contactor 400 amps, 3.3kv, part no ht200,bottle vaccum interrupture 400a for cont, part no ht202,auxiliary contactor 3no 1nc, 110v, part no ht208,resin cast p.t. 750va, 3.3kv 110 volt, part no ht300,resin cast p.t 300va 3.3kv 110v, 3 phase, part no ht350,resin cast moulded ct for o l relay 75 , part no ht600,resin cast moulded ct for ammeter 150 5, part no ht650,earth leakage relay unit complete witho, part no ht800,3 pole magnetic o l relay

Repairing and maintenance of 315kva tsu, 3.3kv/550v, make - mine line, kept idle inside 4/5/6 incline, dhori (k) colliery

Complete repairing / rewinding of 315kva,3.3kv/550 volt tsu kirloskar make sl. no.- 93dgb218/33 convert to 315 kva, 3.3kv/440 volt only transformer at bhalgora new pit sub station of aebsc.

Rewinding of tsu 315 kva, 3.3kv/550v , electroteknica make , sl. no. 1050 of vijay west ug mine..

Repairing of 315 kva, 3.3kv/550v andrew yule tsu having sl. no. fht 1170 and 315 kva, 6.6 kv/550v mine line make tsu having sl. no. 0837 of khottadih colliery.

Mechanical repairing of 65 kw/90hp slip ring motor, 550 volt, 740 rpm, pnm no. - 19, make - kirloskar installed at 4,5,6 incline in respect of dhori (k) colliery

Repairing of mine line make tsu of sr. no.0504 of rating 315 kva 3.3kv 550v pinoura subarea johilla area secl.

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 of 01 no. tsu mine line make 315 kva 3.3kv 550v sr no. 590 flp of khairaha ug repairing of 03 nos tsus gec make 3300v 550v mine line make 3300v 550v and mine line make 3300v 550v of damini ug and repairing of 01 no. tsu andrew yule make 315