Listen to Grum Grum Gram Gram online. Grum Grum Gram Gram is an Assamese language song and is sung by Sumanjit Basumatary. Grum Grum Gram Gram, from the album Grum Grum Gram Gram, was released in the year 2022. The duration of the song is 4:28. Download Assamese songs online from JioSaavn.