Listen to Devrwa Hau Mange Raja online. Devrwa Hau Mange Raja is a Bhojpuri language song and is sung by Hero Hiralal Byash. Devrwa Hau Mange Raja, from the album Naihar Ke Kail, was released in the year 2020. The duration of the song is 3:50. Download Bhojpuri songs online from JioSaavn.