Listen to Jai Hanuman Gyan Gun Sagar online. Jai Hanuman Gyan Gun Sagar is a Bhojpuri language song and is sung by Bharat Sharma Vyas. Jai Hanuman Gyan Gun Sagar, from the album Piritiya Tohar, was released in the year 2006. The duration of the song is 5:42. Download Bhojpuri songs online from JioSaavn.