Japan's Nozomi Okuhara has won the 2017 women’s singles World Badminton Championships (WBC). India’s Olympic 2016 silver medallist PV Sindhu lost to Nozomi Okuhara in a pulsating women’s singles final of the World Badminton Championships. India's Saina Nehwal has won bronze in the 2017 women’s singles World Badminton championships (WBC).