Quiz Name India’s flagship equity index that completed 25 years of its journey in April 2021 Mukesh Sharma - June 9, 2021 0 Amazon Quiz. Amazon Quiz, The options for the question – Name India’s flagship equity index that completed 25 years of its journey in April 2021. BSE Sensex S&P 500 Nifty50* Nasdaq 100 The correct answer is Nifty50.