Listen to Nwng Boro online. Nwng Boro is an Assamese language song and is sung by Sourabhee Debbarma, Parmita Reang and Tamal Tripura. Nwng Boro, from the album Sumui, was released in the year 2009. The duration of the song is 5:26. Download Assamese songs online from JioSaavn.