NEW DELHI, Oct. 18 -- While her colleagues faltered on their way to the business end of the BWF World Junior Championships, women's singles top seed Tanvi Sharma ensured that there will be at least one Indian at the podium ceremony in Guwahati on Sunday as she rallied to win her quarter-final and assured herself of a medal on Friday. The 16-year-old, who had clinched a bronze at the Asian Junior Championships in July, came from behind to defeat Japan's Saki Matsumoto 13-15, 15-9, 15-10 in 47 minutes at the National Centre of Excellence. The player from Hoshiarpur, Punjab, kept her nerves under pressure and found winners with her cross-court slices to beat Matsumoto in what was the first contest between the two shuttlers. Tanvi became the fi...