Listen to Gyan Ke Devi Hau online. Gyan Ke Devi Hau is a Bhojpuri language song and is sung by Lalan Kumar. Gyan Ke Devi Hau, from the album Gyan Ke Devi Hau, was released in the year 2023. The duration of the song is 3:32. Download Bhojpuri songs online from JioSaavn.