Listen to Dunu Mor Bechau Ba online. Dunu Mor Bechau Ba is a Maithili language song and is sung by Roshan Raj Kumar. Dunu Mor Bechau Ba, from the album Dunu Mor Bechau Ba, was released in the year 2024. The duration of the song is 3:25. Download Maithili songs online from JioSaavn.