Listen to Biswash Koira Valo Bassilam online. Biswash Koira Valo Bassilam is a Bengali language song and is sung by Hafiz Khan. Biswash Koira Valo Bassilam, from the album Biswash Koira Valo Bassilam, was released in the year 2025. The duration of the song is 5:59. Download Bengali songs online from JioSaavn.