Listen to Hum Hai Moti Gyan Sagar Ka online. Hum Hai Moti Gyan Sagar Ka is a Gujarati language song and is sung by Hemant Chauhan. Hum Hai Moti Gyan Sagar Ka, from the album Prachin Bhajano Pt-29, was released in the year 2020. The duration of the song is 7:54. Download Gujarati songs online from JioSaavn.