Listen to Bolo Har Har Mahadev online. Bolo Har Har Mahadev is a Bhojpuri language song and is sung by Sanjana Raj. Bolo Har Har Mahadev, from the album Bam Bhola, was released in the year 2017. The duration of the song is 4:56. Download Bhojpuri songs online from JioSaavn.