"These math circles cost practically nothing, or they're extremely low cost for college students to become involved in, but you have to know about them," said Rusczyk. Still the persistent question of Why do I need that? – or, Possibly far more tellingly, Why do you need to know that? https://www.axiomlandbase.in/property-news/annual-real-estate-supply-in-india-expected-to-increase-to-8-2-bn-sq-ft-by-2025/