Listen to Oka Boka online. Oka Boka is a Bhojpuri language song and is sung by Saket Yadav, Mohan Rathor and Tarannum. Oka Boka, from the album Settingbaaz, was released in the year 2014. The duration of the song is 3:34. Download Bhojpuri songs online from JioSaavn.