Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

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

complete repairing of 200 amps abc switch make -mine line 550 volt sl.no.5151 at keshalpur colliery akwmc under katras area.

Complete repairing of 400 amps breaker,make-line 550 volt sl.no.5076 at ramkanali colliery akwmc under katras area

Complete repairing of 100 hp star delta starter make - mine line 550 volt sl.no.sd 41 at keshalpur colliery under akwmc katras area

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.

Complete repairing of 400 amps ocb switch make -gec volt 550 sl.no.301542 at 20 pit sub-station angarpathra colliery under akwmc katras area.

Complete repairing of 100 hp getend box make- mine line 550 volt sl.no.1648 at keshalpur akwmc under katras area.

Complete repairing and overhauling of 1 no.(a) 400 amps 550 volt abc make a.c.b switch id no lc/sw/acb/550 volt/220 for power controlling of lighting line switch (b) 400 amps 550 volt abc make acb switch id. no.lc/sw/acb/550 volt/221 for controlling

(a) complete repairing of 65 hp gate end box,make-mine line, 550 volt sl.no.1635 at keshalpur colliery akwmc under katras area. (b) part repairing of 67 kw/90 hp star delta starter make-prabhu, 550 volt .sl.no. 0149 at angarpathra colliery akwmc und