Saina Nehwal serves to Switzerland's Sabrina Jaquet in a women's singles badminton match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. AP

Saina Nehwal plays against Switzerland's Sabrina Jaquet in a women's singles badminton match at the 2012 Summer Olympics in London. AP

Another shot of Saina Nehwal playing against Switzerland's Sabrina Jaquet, unseen, at a women's singles badminton match of the 2012 Summer Olympics in London. AP

Another shot of Saina Nehwal playing against Switzerland's Sabrina Jaquet at a women's singles badminton match of the 2012 Summer Olympics in London. AP

Another shot of Saina Nehwal playing against Switzerland's Sabrina Jaquet at a women's singles badminton match of the 2012 Summer Olympics in London. AP

Switzerland's Sabrina Jaquet plays against India's Saina Nehwal in a women's singles badminton match at the 2012 Summer Olympics in London. AP

Saina Nehwal plays against Switzerland's Sabrina Jaquet, unseen, at a women's singles badminton match of the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP

Another shot of Saina Nehwal playing against Switzerland's Sabrina Jaquet at a women's singles badminton match of the 2012 Summer Olympics in London. AP