Listen to Khapang Swrango online. Khapang Swrango is a Kokborok language song and is sung by Bimal Debbarma, Janardhan Debbarma and Subhadra Debbarma. Khapang Swrango, from the album O Ani Kwsai, was released in the year 2011. The duration of the song is 6:30. Download Kokborok songs online from JioSaavn.