Developed by students and professors of prestigious Carnegie Mellon University (CMU) as a research project, SARA became a key exhibit at the WEF annual meeting.

On push for digital economy and the recent demonetisation move and whether the pain would be limited to short-term given the world economy is going through uncertain times, he said.

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.