Listen to 15 August Din Hai Badi Mast online. 15 August Din Hai Badi Mast is a Bhojpuri language song and is sung by Rohit Raj Deewana. 15 August Din Hai Badi Mast, from the album 15 August Din Hai Badi Mast, was released in the year 2023. The duration of the song is 3:34. Download Bhojpuri songs online from JioSaavn.