Listen to Biswasbabu Gyachen Mara online. Biswasbabu Gyachen Mara is a Bengali language song and is sung by Laxmandas Baul and Nakul Biswas. Biswasbabu Gyachen Mara, from the album Baul Raja, was released in the year 2015. The duration of the song is 8:45. Download Bengali songs online from JioSaavn.