Listen to Siddhant Rahasyam online. Siddhant Rahasyam is a Gujarati language song and is sung by Anuradha Paudwal, Ashit Desai, Purushottam Das Jalota, Shubha Joshi and Umesh Vajpai. Siddhant Rahasyam, from the album Shrinath Samrananjalika Vol-1, was released in the year 1998. The duration of the song is 3:21. Download Gujarati songs online from JioSaavn.