Listen to Bihar Ke Laika Mast Mast online. Bihar Ke Laika Mast Mast is a Bhojpuri language song and is sung by Annu Yadav. Bihar Ke Laika Mast Mast, from the album Bihar Ke Laika Mast Mast, was released in the year 2025. The duration of the song is 3:32. Download Bhojpuri songs online from JioSaavn.