Listen to Vellambal Poo (Duet Version) online. Vellambal Poo (Duet Version) is a Malayalam language song and is sung by Vidhu Prathap and Ranjini Jose. Vellambal Poo (Duet Version), from the album Ishal Malhar, was released in the year 2020. The duration of the song is 4:50. Download Malayalam songs online from JioSaavn.