Listen to Unathu Vizhiyil online. Unathu Vizhiyil is a Tamil language song and is sung by T.M. Sounderrajan and P. Susheela. Unathu Vizhiyil, from the album Naan Yaen Priandhaen, was released in the year 1972. The duration of the song is 3:54. Download Tamil songs online from JioSaavn.