Rohit Malhotra still remembers the phone call from his father in early 2015. "Buy something in Noida while it's still cheap," his father said, half-joking, half-serious. Rohit was twenty-six then, working his first stable job, and Sector 6 sounded like just another number on a map — close to Delhi, close to the metro, nothing special. He didn't buy. Nine years later, standing at a friend's housewarming...