Listen to Mummy Jan Gail Biya online. Mummy Jan Gail Biya is a Bhojpuri language song and is sung by Aman Singh. Mummy Jan Gail Biya, from the album Mummy Jan Gail Biya, was released in the year 2023. The duration of the song is 5:29. Download Bhojpuri songs online from JioSaavn.