Listen to Dewra Hau Mangela online. Dewra Hau Mangela is a Bhojpuri language song and is sung by Lalu Bihari. Dewra Hau Mangela, from the album Dewra Hau Mangela, was released in the year 2021. The duration of the song is 4:29. Download Bhojpuri songs online from JioSaavn.