Despite being one of India's most successful sportspersons, Vikas Krishan Yadav remains an enigma for many. The only Indian boxer to win 3 Asian games medals in a row, Yadav is also the reigning Commonwealth Games gold medalist and a world championship medalist. The Olympic gold though remains his obsession and he told sports editor Digvijay Singh Deo that not winning it in Tokyo next year would 'drive him crazy'.