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