Listen to Gajab Gadrayil Biya online. Gajab Gadrayil Biya is a Bhojpuri language song and is sung by Kundan Paswan. Gajab Gadrayil Biya , from the album Gajab Gadrayil Biya, was released in the year 2021. The duration of the song is 2:39. Download Bhojpuri songs online from JioSaavn.