Listen to Unna Kolla Poren online. Unna Kolla Poren is a Tamil language song and is sung by M.L.R.Karthikeyan, Bhavatharini and Karthik. Unna Kolla Poren, from the album Aravan, was released in the year 2011. The duration of the song is 4:00. Download Tamil songs online from JioSaavn.