Satwiksairaj Rankireddy, Chirag Shetty, and PV Sindhu When the world’s best badminton players walk into the Indira Gandhi Indoor Stadium on Monday, India will not merely be hosting the World Championships for the second time. Seventeen years after Hyderabad staged the event, the tournament returns to a country where badminton has grown multiple folds — in popularity, participation, elite success and commercial reach.The transformation is visible in the numbers. Forty-three per cent of Indians follow badminton, while 32% actively participate in the sport, making it the country's second-most...