Listen to Kadavul Vazhthu online. Kadavul Vazhthu is a Tamil language song and is sung by Subhiksha and M.K.Balaji. Kadavul Vazhthu, from the album Siruvar Padum Thirukkural, was released in the year 2007. The duration of the song is 9:45. Download Tamil songs online from JioSaavn.