With networth of $21.5 billion, Mukesh Ambani
has retained his title as India's richest person for sixth year in a row, while Mexican business tycoon Carlos Slim has emerged as wealthiest in the world for the fourth consecutive year.
In the overall rich list of world's billionaires, as per an annual ranking published by Forbes, Mukesh Ambani is ranked 22nd, while the second-richest Indian Lakshmi Mittal is at 41st position with a networth of $16.5 billion.
Slim has topped the rankings with a networth of $73 billion, followed by Bill Gates ($67 billion), Spain's Amancio Ortega ($57 billion), Warren Buffett ($53.5 billion) and Larry Ellison ($43 billion) in top five.
There are a total 55 billionaires from India on the list of 1,426 persons from across the world having a minimum networth of $1 billion.
Among the Indians, Mukesh Ambani and Lakshmi Mittal are followed by Azim Premji, Dilip Shanghvi, Shashi & Ravi Ruia, Kumar Mangalam Birla, Savitri Jindal, Sunil Mittal, Shiv Nadar, K P Singh and Anil Ambani.
Globally, Anil Ambani is ranked 233rd ($5.2 billion), while the global top100 list has only three Indians - Mukesh Ambani, Lakshmi Mittal and Azim Premji (91st position).
About Mukesh Ambani, Forbes said that his fortune has dropped by $1 billion over the past one year, but he "remains India's richest person and his Reliance Industries remains country's most valuable company".
On the other hand, his younger brother Anil Ambani saw his networth drop by $2.6 billion in the past one year, "continuing a three-year decline in his fortune."