Listen to Bhakti Ke Vardan Da online. Bhakti Ke Vardan Da is a Bhojpuri language song and is sung by Rajesh Gupta and Kalpana. Bhakti Ke Vardan Da, from the album Bol Bam, was released in the year 2007. The duration of the song is 3:45. Download Bhojpuri songs online from JioSaavn.