Indian-origin billionaire Lakshmi Mittal is preparing to leave the UK as the Labour government pushes major tax reforms targeting the ultra-rich. Mittal, now a tax resident of Switzerland, is shifting his base to Dubai and investing heavily in the upcoming ultra-luxury Naïa Island project. Here’s why the “King of Steel” is moving, what Naïa Island is, and how a wider exodus of wealthy British Indians is reshaping the UK’s economic landscape.