Unlike his previous trips to Davos, Switzerland, for the World Economic Forum (WEF), Andhra Pradesh Chief Minister Chandrababu Naidu's latest visit has come under attack from the opposition parties, dubbing it as a "publicity stunt" and alleging he was not an invitee to the event but a paid delegate.

A video showing the Paytm CEO in an internal conversation went viral earlier this week.

"This revolution," Brin said, "has been very profound and definitely surprised me even though I was right in there and could throw paper clips at them."