Listen to Kaise Aai Darwar online. Kaise Aai Darwar is a Bhojpuri language song and is sung by Rahul Raj. Kaise Aai Darwar, from the album Kawar Mel, Vol. 2, was released in the year 2015. The duration of the song is 6:44. Download Bhojpuri songs online from JioSaavn.