Listen to Un Uthadu online. Un Uthadu is a Tamil language song and is sung by Vani Jairam, S. P. Balasubrahmanyam and M.S. Viswanathan. Un Uthadu, from the album Sugamana Raagangal, was released in the year 1985. The duration of the song is 4:23. Download Tamil songs online from JioSaavn.