The contradictions in Brahmanism, one of the postulates of which was the authority of the Vedas, arising between the representatives of the highest varna of the Brahmanas and the following varna of the Kshatriyas led to the emergence in Ancient India of a movement of wandering ascetics of the Shramana, who came out of the non-Brahmanical castes that were in opposition to Brahmanism, and denied the authority of the Vedas …
From Shramanism in the VI century BC e. three new religious movements emerged: Buddhism, Jainism and Ajivika. At the same time, the founders of Buddhism Siddhartha Gautama and Jainism Vardhaman Mahavira came from the Kshatriya varna, and the leader of the Ajivika Makkhali Gosala came from a low class.