Listen to Unnai Naan Paarthathu online. Unnai Naan Paarthathu is a Tamil language song and is sung by S.P. Balasubrahmanyam. Unnai Naan Paarthathu, from the album Pattikkattu Raja, was released in the year 1975. The duration of the song is 3:28. Download Tamil songs online from JioSaavn.