Listen to Mannil Nalla - Duet online. Mannil Nalla - Duet is a Tamil language song and is sung by K. Veeramani, V. Sreepathy and Lalgudi Swaminathan. Mannil Nalla - Duet, from the album Lalitha, was released in the year 1976. The duration of the song is 4:09. Download Tamil songs online from JioSaavn.