Listen to Gajab Kochiyal Biya online. Gajab Kochiyal Biya is a Bhojpuri language song and is sung by Musafir Raja. Gajab Kochiyal Biya, from the album Gajab Kochiyal Biya, was released in the year 2024. The duration of the song is 4:49. Download Bhojpuri songs online from JioSaavn.