How Caste System is Work in India. Caste is both a historical truth of the Indian subcontinent, and a reality of modern-day India. Some of us are still unaware of the extent to which caste remains an ordering principle in our society today. Caste is present in a massive way in most of India and caste-based discrimination and violence takes place across the nation. In metropolitan cities too, caste has its ugly presence, even if not in obvious ways. All Four Caste There are Four Main Cast in India. Brahmans--Priests and Teachers. Kshatriya's--Rulers and Soldiers. Vaishya's-- Merchants and Traders. Shudra's--Laborers and Servants. Casteism is one of the rural social problems, which is very peculiar to the Indian society. Indian society is a country of various religions. Each religion is sub-divided into different castes and these castes again into sub-castes. The culture of each caste varies though they all belong to one religion. Among these ca