Techfest, IIT-Bombay's Science & Technology festival, is hosting a lineup of prominent speakers, including Former PM of Bhutan, Vidya Balan, B.S. Dhanoa, Zaheer Khan and two Nobel Laureates. The fest will also showcase advanced technologies like Air Taxi, VR Time Machine, Einstein Robot and World's first actor-performer robot. Entry is free and open to all from 8am–5pm from 3rd–5th January.