Listen to Sevak Bole Bam Bam online. Sevak Bole Bam Bam is a Bhojpuri language song and is sung by Sumang Kumar Mukhiya. Sevak Bole Bam Bam, from the album Har Har Mahadev, was released in the year 2019. The duration of the song is 3:50. Download Bhojpuri songs online from JioSaavn.