Tribal rituals, charms, and symbols […] were distorted by the brahmanas (sic) and priests to serve the interests of rich patrons. - Ram Sharan Sharma

Obviously tantricism arose as a result of the large-scale admission of the aboriginal peoples in brahmanical society.

The Study of ancient Indian history, therefore, is relevant not only to those who want to understand the true nature of the past that some people want to relive but also to those who want to appreciate the nature of obstacles that hamper the development of the country.

For their riches the monasteries came to be coveted by the Turkish invaders. They became special targets of the invaders’ greed. The Turks killed a large number of Buddhist monks in Nalanda, although some of the monks managed to escape to Nepal and Tibet.