Listen to Kaun Tera Sathi online. Kaun Tera Sathi is a Bhojpuri language song and is sung by Badal Bawali and Ajay Prasanna. Kaun Tera Sathi, from the album Krishna Tum Aa Jao, was released in the year 2016. The duration of the song is 5:27. Download Bhojpuri songs online from JioSaavn.