Kohli's comments came in the wake of Delhi Ranji player and Kolkata Knight Rider's promising left-arm seamer Pradeep Sangwan failing a random dope test during the sixth edition of the IPL. Sangwan is only the second cricketer in the history of IPL after Pakistani speedster Mohammed Asif to have been found guilty of consuming banned drugs.
"This (doping) is not at all acceptable. Whoever doesn't respect sport, corrupts it, should be handed the harshest punishment. Sport gives you everything in life. If you can't respect the game, you don't deserve to be there. Strict punishment should be given to the guilty," said Kohli on the sidelines of a function here.
"You may have taken an antibiotic but if it has banned substance, you will test positive. You may not know about it," he added.
Athletics suffered one of its darkest days this week following revelations that two of the world's fastest men, Tyson Gay and Asafa Powell, were among six athletes to have tested positive for banned substances.
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The conversation soon veered towards cricket and Kohli was asked about his superhero in real life.
"In cricket, my superhero is Sachin Tendulkar. He has always been my hero and will continue to remain so. Apart from him and outside cricket, my mother has remained my inspiration.