Singapore Open: Sindhu enters semifinals; Saina crashes out in quarterfinals. Olympic silver medalist and world number six PV Sindhu has stormed into the semifinal of Singapore Open women's singles badminton tournament, defeating China's Cai Yanyan 21-13, 17-21, 21-14.br br br सिंधु सिंगापुर ओपन के सेमीफाइनल में पहुंचीं, साइना क्वार्टर फाइनल में हारींbr br br India News Sports, precious gift for the sports loving people from ITV Network (India News).