Listen to Bahut Kathin Tap Bhagirath online. Bahut Kathin Tap Bhagirath is a Bhojpuri language song and is sung by Rahul Ranjan. Bahut Kathin Tap Bhagirath, from the album Paawan Dham Prabhu Ka, was released in the year 2017. The duration of the song is 3:50. Download Bhojpuri songs online from JioSaavn.