Go and just watch it. They gave their best in showing the roots and glory of our Culture which unfortunately we lost because of Pseudo secularism and very Western way of living. Even though there are archeological evidences that Mahabharat and Ramayan Happened still some sect of people try to establish that they are mythologies which ofcourse a failed attempt. In this movie they try to explain about the Lord Krishna who excelled in every field of life and the Greatest Yogi.
Sanatana Dharma is not a Belief system. Sanatana Dharma is very conscious way of living by which Humans used to become God-Like by leaving the Animal past.