IWF President H J Dora said any player, who tests positive for banned drugs even once in international events would be slapped a lifetime ban from the sport.

Disgraced woman weightlifter Pratima Kumari, who tested positive for testosterone, pleaded innocence and accused coaches Pal Singh Sandhu and Leonid Taranenko of hatching a conspiracy against her.

As long as athletes have sought to run faster, jump higher or throw further than their opponents the more unscrupulous have resorted to dubious means.

The professional sports world was shocked last month when the U.S. Anti-Doping Agency reported that a new undetectable steroid -- THG -- had been created that allowed athletes to pass doping tests.