Listen to Vanthathu Nallathu online. Vanthathu Nallathu is a Tamil language song and is sung by S. Janaki and S.P. Balasubrahmanyam. Vanthathu Nallathu, from the album Kaviyarasu Kannadasan Tamil Film Songs, was released in the year 1980. The duration of the song is 4:45. Download Tamil songs online from JioSaavn.