Listen to Saghana Gahan Raatri online. Saghana Gahan Raatri is a Bengali language song and is sung by Dr. Chitralekha Chowdhury. Saghana Gahan Raatri, from the album Barsha Mangal, was released in the year 2010. The duration of the song is 5:28. Download Bengali songs online from JioSaavn.