Listen to Humchal Machal Ba online. Humchal Machal Ba is a Bhojpuri language song and is sung by R.K. Arun, Bijli Rani and Sanjeev Kumar Suman. Humchal Machal Ba, from the album Devarva Line Maare, was released in the year 1999. The duration of the song is 4:44. Download Bhojpuri songs online from JioSaavn.