Listen to Saghana Gahana Raatri online. Saghana Gahana Raatri is a Bengali language song and is sung by Dola Banerjee and Rabindranath Tagore. Saghana Gahana Raatri, from the album Khola Haowa Dola Banerjee, was released in the year 2009. The duration of the song is 5:17. Download Bengali songs online from JioSaavn.