Listen to Nwng Kwmani Sona online. Nwng Kwmani Sona is an Assamese language song and is sung by Sanjib and Sulekha. Nwng Kwmani Sona, from the album Best Of R.B Film Production, was released in the year 2020. The duration of the song is 4:22. Download Assamese songs online from JioSaavn.