Listen to Unnjalachi Asai online. Unnjalachi Asai is a Tamil language song and is sung by Viswanathan, S. P. Balasubrahmanyam and Minmini. Unnjalachi Asai, from the album Suriya Puthiran, was released in the year 1994. The duration of the song is 4:44. Download Tamil songs online from JioSaavn.