Listen to Sai Duttaguru Avtar online. Sai Duttaguru Avtar is a Marathi language song and is sung by Uday Upadhye. Sai Duttaguru Avtar, from the album Sai Dattaguru Avatar, was released in the year 1995. The duration of the song is 3:48. Download Marathi songs online from JioSaavn.