India's Heena Sidhu has clinched the World's Number One spot in 10 metres air pistol event.According to the recent rankings released by International Shooting Sport Federation, Heena's consistent performances in the event resulted in the shooter rocketing to the World No 1 spot. Sidhu, who clinched the gold medal in the Asian Air Gun Championship last month, recently finished with a silver at the ISSF rifle or pistol World Cup in Fort Benning, United States. At the World Cup, 2013 in Munich, Sidhu shot a world record score to win the gold medal.