"It is even more stunning than I expected. It's incredible what people can build -- and what love can motivate us to build," he added.

Zuckerberg, who hosted Prime Minister Narendra Modi last month in the US, is scheduled to hold a Townhall Question and Answer session at the IIT-Delhi tomorrow.

The event is being seen as a very positive one, especially after Zuckerberg described Indians as 'one of our most active and engaged communities' on the social media.

"More than 130 million people use Facebook in India. I'm looking forward to hearing directly from one of our most active and engaged communities," Zuckerberg had said.