Listen to Vel Undu Avan Kaiyil online. Vel Undu Avan Kaiyil is a Tamil language song and is sung by Sudha Valli. Vel Undu Avan Kaiyil, from the album Arul Vendum Ganapathy, was released in the year 2014. The duration of the song is 3:49. Download Tamil songs online from JioSaavn.