Listen to Oka Boka Khelal Jayi online. Oka Boka Khelal Jayi is a Bhojpuri language song and is sung by Kamlesh Singh. Oka Boka Khelal Jayi, from the album Lagal Jawani Me Aag, was released in the year 2015. The duration of the song is 4:23. Download Bhojpuri songs online from JioSaavn.