India's best woman archer Deepika Kumari, lost narrowly to Ming Cheng of China in the shoot-off to settle for a silver medal in the prestigious Archery World Cup final held in Istanbul on Sunday. The 17-year-old, who was India's solitary participation at the World Cup Final had a 4-2 lead at the end of the third set, but in a dramatic finish the Ranchi girl lost out 5-6 to miss the gold and emulate Dola Banerjee's feat.Deepika, who has already secured an Olympic quota for London 2012, had a terrific run in the final held at the picturesque shores of the Bosphorus where East meets West as the Commonwealth Games double gold medalist beat promising 16-year-old Mexican Alejandra Valencia who won a bronze medal at the Ogden World Cup.