Listen to Pravargya ? Advaitopadesa online. Pravargya ? Advaitopadesa is a Sanskrit language song and is sung by Dr.R. Thiagarajan. Pravargya ? Advaitopadesa, from the album Rare Vedic Chanting, was released in the year 2001. The duration of the song is 12:02. Download Sanskrit songs online from JioSaavn.