Saina Nehwal plays against China's Wang Yihan, right, in a women's singles badminton semifinal match at the 2012 Summer Olympics in London, August 3, 2012. Saina loses to Wang Yihan in semis. AP

Saina Nehwal celebrates after winning against Denmark's Tine Baun unseen at a women's singles badminton quarterfinal match of the 2012 Summer Olympics in London. PTI

Saina Nehwal smiles as she celebrates after winning against Denmark's Tine Baun at women's singles badminton quarterfinal match of the 2012 Summer Olympics in London. PTI

Saina Nehwal plays against Denmark's Tine Baun in women's singles badminton quarterfinal match at the 2012 Summer Olympics Thursday in London. AP

Another shot of Saina Nehwal playing against Denmark's Tine Baun in women's singles badminton quarterfinal match at the 2012 Summer Olympics in London. AP

Another shot of Saina Nehwal playing against Denmark's Tine Baun in women's singles badminton quarterfinal match at the 2012 Summer Olympics in London. AP

Another shot of Saina Nehwal playing against Denmark's Tine Baun in women's singles badminton quarterfinal match at the 2012 Summer Olympics in London. AP