Listen to Koyal Mithi Boliya Ho online. Koyal Mithi Boliya Ho is a Bhojpuri language song and is sung by Suraj Kalyanpuri. Koyal Mithi Boliya Ho, from the album Chait Me Chonhali, was released in the year 2015. The duration of the song is 5:02. Download Bhojpuri songs online from JioSaavn.