NEW DELHI - India's Saina Nehwal on Thursday dropped four points to be ninth, while compatriot P.V. Sindhu remained in the 10th spot in the Badminton World Federation (BWF) rankings despite getting a silver in the women's singles competition at the recently-concluded Olympics. In another bad news for Indian badminton, the women's doubles pair of Jwala Gutta and Ashwini Ponnappa dropped four places to the 26th spot following...