Listen to Rahiya Ba Kitna Kathin online. Rahiya Ba Kitna Kathin is a Bhojpuri language song and is sung by Abhiraj Lal. Rahiya Ba Kitna Kathin, from the album Kawarya Bole Boal Bum, was released in the year 2020. The duration of the song is 5:06. Download Bhojpuri songs online from JioSaavn.