Listen to Tumi Biyar Nishar online. Tumi Biyar Nishar is an Assamese language song and is sung by Usha Mangeshkar. Tumi Biyar Nishar, from the album Valentine Special Assamese Romantic Songs, was released in the year 2015. The duration of the song is 3:24. Download Assamese songs online from JioSaavn.