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Vanadium doped Na2O-SiO2-ZrO2 glass system by means of dielectric measurements(dielectric constant,loss tanδ,ac conductivity σac over a wide range of frequency and temperature)coupled with spectroscopic properties has been carried out as a function of the concentration of vanadium ions.The XRD and EDS data suggest that the glass samples has amorphous nature and randomly distributed grains over the entire network.