Listen to Kaun Duniya Mai Jaan online. Kaun Duniya Mai Jaan is a Bhojpuri language song and is sung by Ajay Babua. Kaun Duniya Mai Jaan, from the album Kaun Duniya Mai Jaan, was released in the year 2023. The duration of the song is 4:19. Download Bhojpuri songs online from JioSaavn.