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 of gec make 550 volt ocb at kuiya.

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.

Repairing of 02 no. 150 hp and 01 no. 300 hp mineline make 550 volt star delta starter and 01 no. 600 amps gec ocb and 02 no 400 amps 550 volt gec make ocb switch at mohanpur ocp under salanpur area.

Repairing of 400 amps gec make 550/440 volt ocb sl. no. 30/0173 with bus bar controlling kocp.

Complete repairing of 400 amps gec make 550 volt ocb switch with bus bar 02 no sl. no.- 50415 and 30018 of bastacolla colliery.

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 and overhauling of a) 200 amps 550 volt kilburn make ocb switch sl. no.14059 id no bag/sw/ocb/550 volt/10 for power controlling of radha chakki worker colony lighting line b) 200 amps 550 volt kilburn make ocb switch sl. no.1463

Complete repairing and overhauling/safety protection of (a)400 amps 550 volts gec make ocb switch sl.no. bar/ocb/02 for power controlling lighting line of nunudih basti and bhuli type colony digwadih and (b) 400 amps 550 volts gec make ocb switch sl

Repairing 400 amp gec make 550/440 volt ocb with bus bar at bastacolla guesthouse bastacolla colliery.