Listen to Raghupati Raghav Rajaram - Ustad Bismillah Khan online. Raghupati Raghav Rajaram - Ustad Bismillah Khan is a Bengali language song and is sung by Ustad Bismillah Khan. Raghupati Raghav Rajaram - Ustad Bismillah Khan, from the album Morning Mantras, was released in the year 2005. The duration of the song is 5:38. Download Bengali songs online from JioSaavn.