Listen to Onnappola online. Onnappola is a Tamil language song and is sung by Yuvan Shankar Raja, Shankar Mahadevan and Srilekha Parthasarathy. Onnappola, from the album Vel (Original Motion Picture Soundtrack), was released in the year 2007. The duration of the song is 4:03. Download Tamil songs online from JioSaavn.