The Charvakas, also known as Lokayatas, represent a school of Indian philosophy that advocates materialism and skepticism towards religious doctrines and metaphysical speculations. Their worldview, which emerged around the 6th century BCE, directly challenged the dominant spiritual and ethical frameworks of Hinduism, Buddhism, and Jainism. Within the Charvaka school, scholars have noted the existence of two distinct groups: the dhurtas (the crass ones) and the sushikshitas (the cultured ones). 1. Two Groups of Charvakas (a) Dhurtas (Crass Ones) The Dhurtas represent the extreme form of materialism, often characterized by a crude and hedonistic approach to life. These Charvakas are often described as individuals primarily interested in fulfilling their immediate and base desires, without consideration for ethical or societal norms. They are materialists in the narrowest sense, rejecting not only the existence of anything beyond physical matter but also any form of moral obligation or hi...