Watch super hit classic Tamil love song, Then Unnum Vandu from the blockbuster film, Amara Deepam. Starring: Sivaji Ganesan, Savitri, Padmini, M.N. Nambiar, Tangavelu, E.V. Saroja. Music: Chalapathi Rao T. Singers: AM. Raja, Susheela . Director: T.