Watch: Where the richest in India and the world made their money from

Bill Gates remains richest on Forbes billionaires list; India has 4th-highest number of billionaires

India is home to world's fourth highest number of billionaires with Reliance Industries chief Mukesh Ambani leading the club of more than 100 super rich Indians, according to a new list released by Forbes magazine.

The Forbes list of the 'World's Billionaires' 2017 consists of 2,043 of the richest people in the world who have a combined net worth of $ 7.67 trillion, a record 18-per cent increase over the past year.

The list has been topped by Microsoft co-founder Bill Gates for the fourth year in a row. He has been the richest person in the world for 18