Listen to Naan Unnai Vaazhtthi online. Naan Unnai Vaazhtthi is a Tamil language song and is sung by P. Susheela and V. Kumar. Naan Unnai Vaazhtthi, from the album Noottrukku Nooru, was released in the year 1971. The duration of the song is 4:21. Download Tamil songs online from JioSaavn.