Listen to Oka Boka Khele Chal online. Oka Boka Khele Chal is a Bhojpuri language song and is sung by Anand Mohan. Oka Boka Khele Chal, from the album Saiyan Ke Saath Maddaiya, was released in the year 2010. The duration of the song is 4:59. Download Bhojpuri songs online from JioSaavn.