Billionaire Mukesh Ambani, the Chairman and MD of India's second-largest company Reliance Industries, has been ranked 32nd in Forbes' World's Most Powerful People 2018 list. Chinese President Xi Jinping topped the list of 75 men and women "who make the world turn". While Prime Minister Narendra Modi ranked ninth, Microsoft's India-born CEO Satya Nadella is on the 40th position.