Listen to Nwngbai Nwngbai online. Nwngbai Nwngbai is a Kokborok language song and is sung by Manik Debbarma and Ayesha Debbarma. Nwngbai Nwngbai, from the album Nwngbai Nwngbai, was released in the year 2018. The duration of the song is 4:00. Download Kokborok songs online from JioSaavn.