Ancient India's social classes are classified under the Caste System. There are five sections or tiers of the Caste System. The highest and least populated Caste is Brahmins. These were Priests. The next caste, which was more populated is Ksahtryias. These were rulers and warriors. The next and even more populated caste is Vaisyas. These were skilled workers and merchants. The next and even more populated caste was Sudras. These were unskilled workers or peasants. The lowest and most populated caste is Pariah. These were untouchables.