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

Partial repairing of 500 kva 11 kv/550 volt si. no-joy5/tr/500 kva/01 c/g make power transformer at 5 pit substation of joyrampur colliery of ajc under lodna area.

Partial repairing and installation of 500 kva 11 kv/550 volt power transformer e.c.e. make sl.no.7413/86 for joyrampur ocp of amal.joyrampur colliery under lodna area ( local id. jel/tr/500 kva/06).

Complete repairing/ rewinding of one (01) no.500 kva 3.3kv/550 volt power transformer of sl.no.lph /tr/12 at 1 pit lodna colliery of amal. joyrampur colliery under lodna area.

Complete repairing/rewinding of transformer 500 kva,2.2 kv/550 volt power transformer make eef(bsidc)colliery id. no.bar/tr/500 kva/18 sl. no-4009172 of bararee 1 pit sub-station under amal. joyrampur colliery under lodna area.

Repairing and overhauling of 800 amp. 550 volt crompton parkinson make ocb switch with bus bar of jealgora 2 pit colliery id-bccl/jl/sw/ocb/550 volt/07 used as secondary controlling switch of 750 kva 11 kv/550 volt switch of ajc under lodna area.

Partial repairing of 750 kva 11kv/550 volt power transformer make crompton parkinson sl.no. 13609 at 2 pit jealgora sub-station local id. jl/tr/04 at jealgora colliery of amal. joyrampur colliery under lodna area.

(a)partial repairing of 1 mva 11kv/550 volt power transformer make crompton parkinson at 3 pit joyrampur sub-station sl.no. fx-101 local id no. joy-3 and tr no. -01 of joyrampur colliery (b ) partial repairing of 250 kva 11kv/440 volt lighting transf

Erection and commissioning of pole of 550 volt overhead line at 3 pit joyrampur colliery of amal.joyrampur colliery under lodna area.

(a) complete repairing/rewinding of one no.500 kva 3.3kv/550 volt power transformer sl.no.lph/tr/12 at 1 pit lodna colliery and (b) complete repairing/rewinding of one no.400 kva 3.3kv/440 volt lighting transformer sl.no.lph/tr/13 at 1 pit lodna col