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.

Re-arrangement of bus bar structure, proper gravelling work of main substation for kugp and amc works of 11kv/3.3kv/550v/440v oh lines under kedla ugp, hazaribagh area.

Ampere meter 4inch ratio 200 100 5 5a part no spl406,volt meter 3.3kv 100v part no spl106,ammeter selector switch part no srp136ma,voltmeter selector switch part no srp135vs,earth leakage relay 0.34 to 1.8a aux supply 110v cbct part no ekjrc172,wiring kit part no ek805888,epoxy resin cast ct double core 15va ratio 200 100 5 5a part no ct5300,epoxy resin cast potential transformer 3.3 kv 110v 3phase part no et08002,power pack unit 110v dc part no ek801025

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 reconditioning of 1mva, 11 kv/3.3kv transfomer, 630kva, 3.3kv/440v transformer, 500 kva, 11 kv/400 v transformer installed at rr shop tapin under hazaribagh area

Partial repairing reconditioning of 1mva 11kv/3.3kv transformer make larsons having sl no 12359 installed at rajhara ocp under rajhara area

Complete repairing and rewinding of 630kva,3.3kv-440v,electroteknica make, sl no. tf 110 distribution transformer of tnocp under hazaribagh area.

Repairing and maintenance of 630kva, 3.3kv / 440v transformer installed at 11kv/3.3kv sub-station of sdocm

Oil filtration of 1mva, 11kv/3.3kv transformer and 500kva , 11kv/440v transformer of pundi project under kuju area