Listen to Saghana Gahana Ratri online. Saghana Gahana Ratri is a Bengali language song and is sung by Dr. Shantanu Bhowmik. Saghana Gahana Ratri, from the album Ar Naire Bela, was released in the year 2016. The duration of the song is 4:34. Download Bengali songs online from JioSaavn.