Indian scientist like Aryabhata I and Charaka helped influence the success and discoveries of later scientists around the world.
India's climate, terrain, and landforms affected its trade and contact with other countries in Asia and the rest of the world.
India's engineering in building has brought many tourists to India to see these landmarks and have influenced other engineering in other countries.
The use of medecinal plants and the performing of certain surgeries allowed India to accelerate in health.