Listen to Nwngni Onga online. Nwngni Onga is an Assamese language song and is sung by Alphinstone Boro and Kapil Boro. Nwngni Onga, from the album Nwngni Onga, was released in the year 2024. The duration of the song is 4:45. Download Assamese songs online from JioSaavn.