22.  This Philosophy was purportedly founded in the 5th Century BC by Makkhali Gosala. It was a major rival of vedic religion. It reached the height of its popularity during the rule of the Mauryan Emperor Bindusara around 4th century BC. This School of thought was followed for nearly 2000 years through the 14th century CE in the southern states of Karnataka and Tamilnadu. Which school of thought is described above?