Listen to Bwkha Swrangya online. Bwkha Swrangya is a Kokborok language song and is sung by Prahar Debbarma. Bwkha Swrangya, from the album Bwkha Swrangya, was released in the year 2004. The duration of the song is 3:51. Download Kokborok songs online from JioSaavn.