69 seconds, is confident that 2010 Commonwealth Games gold medal-winning discus thrower Krishna Poonia, can spring a surprise at the London Games beginning on Friday. India is yet to win a medal in the track and field events at the Olympics and Chennai-based Wilson felt that 30-year-old Poonia was in good touch ahead of the Olympics. “It’s good that we have strong 14-member athletic contingent for London this time.