Listen to Hau Kamwa Hoi online. Hau Kamwa Hoi is a Bhojpuri language song and is sung by Chhotu Diwana. Hau Kamwa Hoi, from the album Hau Kamwa Hoi, was released in the year 2019. The duration of the song is 4:29. Download Bhojpuri songs online from JioSaavn.