Listen to Rajau Mua Deba Ka online. Rajau Mua Deba Ka is a Bhojpuri language song and is sung by Chandan Kishan. Rajau Mua Deba Ka, from the album Rajau Mua Deba Ka, was released in the year 2022. The duration of the song is 3:16. Download Bhojpuri songs online from JioSaavn.