1.2 million new investors via SIPs in Q1. CDSL crossed 4 cr demat accounts and Nifty has almost doubled from March 2020 lows. Why are SIP registrations on the rise? Why are women, younger folk investing more? Is the era of the savvy retail investor here? Nithin Kamath, Founder & CEO, Zerodha speaks on the exciting investment climate in India in an exclusive interview to ET Now’s Nayantara Rai