Listen to Devar Mange Roj Roj online. Devar Mange Roj Roj is a Maithili language song and is sung by Sushil Diwana and Sunil Diwana. Devar Mange Roj Roj, from the album Behkal Kaniya, was released in the year 2003. The duration of the song is 7:49. Download Maithili songs online from JioSaavn.