The Bhagvad Gita a later addition to the Mahabharata enshrines a philosophical doctrine and in it are described the three paths to salvation: karma, gyan and bhakti
All of these
The Puranas is important as they were the main influence in the development from early Vedic religion to Hinduism
The Shastras contained works of science and philosophy
Sakatayana was a Jain writer of the 9th century A.D.He lived during the reign of Rashtrakuta ruler Amoghavarsha. He was the founder of a new school. His main work was Sabdansusana.