Adani Group's Chairperson Gautam Adani's wealth surged to make him the second richest man in the world on Friday, according to the Forbes' billionaire's list. While the richest man Elon Musk's net worth stood at $273.5 billion, Adani's net worth rose to $154.7 billion followed by Bernard Arnault and family's $153.8 billion and Jeff Bezos' $149.7 billion, as per Forbes.