Listen to Mamtamai Darbar Ba online. Mamtamai Darbar Ba is a Bhojpuri language song and is sung by Ravindra Rahi. Mamtamai Darbar Ba, from the album Phera Najariya A Maai, was released in the year 2015. The duration of the song is 6:25. Download Bhojpuri songs online from JioSaavn.