Listen to Kaun Khalu Vitamin online. Kaun Khalu Vitamin is a Bhojpuri language song and is sung by Ravi Singh and Srishti Bharti. Kaun Khalu Vitamin, from the album Kaun Khalu Vitamin, was released in the year 2025. The duration of the song is 3:27. Download Bhojpuri songs online from JioSaavn.