Listen to Unai Etthanai online. Unai Etthanai is a Tamil language song and is sung by S.P. Balasubrahmanyam and P. Susheela. Unai Etthanai, from the album P. Susheela - Queen of Melody, was released in the year 2016. The duration of the song is 5:01. Download Tamil songs online from JioSaavn.