Listen to Raat Byai Rat Bhai online. Raat Byai Rat Bhai is a Kumaoni language song and is sung by Foji Singh Jagat Karki and Deepa Bhatt. Raat Byai Rat Bhai, from the album Rekha Ban, was released in the year 2010. The duration of the song is 5:48. Download Kumaoni songs online from JioSaavn.