Listen to Uttar Ni Nokha Kosom online. Uttar Ni Nokha Kosom is an Assamese language song and is sung by Usha Debbarma. Uttar Ni Nokha Kosom, from the album Uttar Ni Nokha Kosom, was released in the year 2000. The duration of the song is 4:06. Download Assamese songs online from JioSaavn.