Listen to Raja Gawanwa Kab Hoi online. Raja Gawanwa Kab Hoi is a Bhojpuri language song and is sung by Prashant Upadhyay. Raja Gawanwa Kab Hoi, from the album Raja Gawanwa Kab Hoi, was released in the year 2021. The duration of the song is 5:06. Download Bhojpuri songs online from JioSaavn.