Listen to Gayini Jab Gavanwa online. Gayini Jab Gavanwa is a Bhojpuri language song and is sung by Shani Kumar. Gayini Jab Gavanwa, from the album Gayini Jab Gawanwa, was released in the year 1991. The duration of the song is 7:13. Download Bhojpuri songs online from JioSaavn.