
The Silk Road transmission of Buddhism to China started in the 3rd century BCE during the reign of the first emperor of China, Qin Shihuang.
The Travels and Work of Xuan-zang

Xuan-zang was fully ordained as a monk in 622, at the age of twenty. The myriad contradictions and discrepancies in the texts at that time prompted Xuan-zang to decide to go to India and study in the cradle of Buddhism.
Adivasi Culture and Civilization by Lobsan Payat

Adivasi traditions and practices pervade all aspects of Indian culture and civilization, and the extent and import of Adivasi contributions to Indian philosophy, language and custom have often gone unrecognized.