India, Feb. 11 -- When I heard Prime Minister Narendra Modi's clarion call to fight obesity in India, it resonated deeply with me. I knew firsthand the struggles of being overweight, the stigma that comes with it, and the immense transformation that sports and fitness can bring. My own journey - from an overweight child to the Olympic podium - has been a result of determination, having the right mindset and a disciplined approach. If we have all these approaches, one can overcome any hurdle....