Listen to Unai Etthanai online. Unai Etthanai is a Tamil language song and is sung by K. V. Mahadevan, S.P. Balasubrahmanyam and P. Susheela. Unai Etthanai, from the album Enippadigal - Sikappu Rojakkal - Neeya-Azhiyatha Kolangal, was released in the year 1979. The duration of the song is 5:19. Download Tamil songs online from JioSaavn.