Listen to Bnashi Keno online. Bnashi Keno is a Bengali language song and is sung by Sivaji Chatterjee and Hemanta Kumar Mukhopadhyay. Bnashi Keno, from the album Bengali Modern Songs Sivaji Chatterjee, was released in the year 1985. The duration of the song is 2:49. Download Bengali songs online from JioSaavn.