Listen to Jai Hanuman Gyan Gun sagar online. Jai Hanuman Gyan Gun sagar is a Bhojpuri language song and is sung by Rahul Hulchal. Jai Hanuman Gyan Gun sagar, from the album Sidhhi Ke Data, was released in the year 2022. The duration of the song is 3:42. Download Bhojpuri songs online from JioSaavn.