Listen to Ungappa Vangi Thanda online. Ungappa Vangi Thanda is a Tamil language song and is sung by T. Rajendra, S. Janaki and Vidya. Ungappa Vangi Thanda, from the album Poo Poova Poothirukku, was released in the year 1987. The duration of the song is 4:44. Download Tamil songs online from JioSaavn.