Listen to Devamrutha Ganga online. Devamrutha Ganga is a Malayalam language song and is sung by K.J.Joy and K.J. Yesudas. Devamrutha Ganga, from the album Nostalgia - K.J.Joy, was released in the year 2008. The duration of the song is 4:20. Download Malayalam songs online from JioSaavn.