Listen to Saghana Gahana Raatri. online. Saghana Gahana Raatri. is a Bengali language song and is sung by Arabinda Biswas. Saghana Gahana Raatri., from the album Ei Udashi Hawar Pathey, was released in the year 2006. The duration of the song is 2:51. Download Bengali songs online from JioSaavn.