What has India given to this world that the world should be thankful for?

Zero 0 I think, that's the correct answer. it's a beautiful country with too many different cultures.

A diverse culture and positivity.

Indian cuisine is so popular around the world that many Hollywood and western television shows have references to it, showing it as part of their popular culture. In India you eat food with your eyes and nose before you eat with your mouth, as Indian food is both fragrant and colorful. India has one of the lowest consumption of non-veg in the world.

do not worry I will tell you everything about India I belong to India Give me some time

I don't even know that India is a country. I think so nothing right now.

Everything.. That we used in this time..

Every Thing.......
that is we used

0 given by Aryabhatt..

India gives World skilled human resource as well as ancient cultural heritage.

I think without zero we cannot imagine

Zero (0): Discovery of Zero. You can't imagine math , Science, physics and Chemistry without Zero.

Bollywood music and movies. Love them...