The Japanese Open Super Series Badminton tournament begins in Tokyo today. More than 200 shuttlers are participating in the 6-day event, the qualification round of which began at the Tokyo Yoyogi Gymnasium today. London Olympics Bronze medallist Saina Nehwal, Jwala Gutta, Ashwini Ponnappa, PV Sindhu and P. Kashyap are among the 16-member Indian squad participating in the competition.