Listen to O - Raghupati online. O - Raghupati is an Assamese language song and is sung by Nibha Deka, Kalpana Bhuyan, Nomi Gayan and Siba Prasad Nath. O - Raghupati, from the album Biya Nam, was released in the year 1984. The duration of the song is 4:56. Download Assamese songs online from JioSaavn.