Listen to Mast Jawani Umar online. Mast Jawani Umar is a Khortha language song and is sung by Babban Chhaila and Gunja. Mast Jawani Umar, from the album Jila Top Lago Hee, was released in the year 2009. The duration of the song is 5:04. Download Khortha songs online from JioSaavn.