Listen to Saghan Gahan Ratri online. Saghan Gahan Ratri is a Bengali language song and is sung by Alok Mukhopadhyay and Rabindranath Thakur. Saghan Gahan Ratri, from the album Jharichhe Shravan Dhaara, was released in the year 2007. The duration of the song is 5:17. Download Bengali songs online from JioSaavn.