Listen to Gum Gum Gum Megh Oi Garjay online. Gum Gum Gum Megh Oi Garjay is a Bengali language song and is sung by Bhupen Hazarika and Hemanta Kumar Mukhopadhyay. Gum Gum Gum Megh Oi Garjay, from the album Bengali Hit Duets, was released in the year 2002. The duration of the song is 3:21. Download Bengali songs online from JioSaavn.