NEW DELHI: Shooter Pankaj Mukheja, who won a bronze at the Cairo World Championships, has been banned for two years by the National Anti-Doping Agency (Nada). His sample has returned positive for prohibited specified substance 'propranolol' - a beta blocker - during an in competition testing held at the selection trial 3 & 4 (rifle and pistol) in Bhopal.
Propranolol is used by athletes to block the release of the stress hormones adrenaline and noradrenaline in certain parts of the body.