Listen to Nisonkosay Nirbhitay online. Nisonkosay Nirbhitay is an Assamese language song and is sung by Raj and Ritu. Nisonkosay Nirbhitay, from the album Tor Guitar Khon, was released in the year 2008. The duration of the song is 7:39. Download Assamese songs online from JioSaavn.