Listen to Bakthi Kolla online. Bakthi Kolla is a Tamil language song and is sung by K.V. Hanumantha Rao and Karuna. Bakthi Kolla, from the album Villali Veeranukku Thillalelo, was released in the year 2002. The duration of the song is 4:15. Download Tamil songs online from JioSaavn.