Listen to Caller Ujar Ujar Ba online. Caller Ujar Ujar Ba is a Bhojpuri language song and is sung by Upender Raj. Caller Ujar Ujar Ba, from the album Bhojpuriya Dabang, was released in the year 2019. The duration of the song is 4:35. Download Bhojpuri songs online from JioSaavn.