Listen to Udan Baj Rajau online. Udan Baj Rajau is a Bhojpuri language song and is sung by Bhola Rangila. Udan Baj Rajau, from the album Udan Baj Rajau, was released in the year 2025. The duration of the song is 3:57. Download Bhojpuri songs online from JioSaavn.