Listen to Koyal Niyar Boli Tohar online. Koyal Niyar Boli Tohar is a Nagpuri language song and is sung by Sanjay. Koyal Niyar Boli Tohar, from the album Alvida Na Kahbe(Adhunik Nagpuri), was released in the year 2019. The duration of the song is 5:10. Download Nagpuri songs online from JioSaavn.