The Tata-SIA airline Vistara is gearing up to station an indigenously developed robot, RADA, at its signature lounge at Delhi airport's Terminal 3. Powered by AI, the robot is programmed to scan boarding passes, provide information on the terminal, departure gates, real-time flight status and weather conditions of destination city etc. And RADA can also entertain people by playing games and multimedia content, says Sangeeta Tanwar.