https://en.wikipedia.org/wiki/History_of_India
Neolithic, c. 7600 – c. 3300 BCE Bhirrana 7570 – 6200 BCE; ... aspects of Indian civilisation, administration, culture, and religion (Hinduism and Buddhism) spread to much of Asia, while kingdoms in southern India had maritime ... but also eventually by the excluding of some indigenous peoples by labeling their occupations impure ...