Listen to Naan Unai online. Naan Unai is a Tamil language song and is sung by P. Susheela, S. P. Balasubrahmanyam and A.A. Raj. Naan Unai, from the album Udhayamagirathu, was released in the year 1981. The duration of the song is 4:03. Download Tamil songs online from JioSaavn.