India is on a high with PV Sindhu's win in the BWF World Championships but her coach Pullela Gopichand is worried about India's future in the sport and question if India has invested enough in badminton coaches.

PV Sindhu returned to India to a heroic welcome after becoming the first Indian woman to win the World Championship. She was also honoured by Prime Minister Narendra Modi and Sports Minister Kiren Rijiju.