[note]Wikipedia and teeth.com are not authentic reliable resources to ascertain the wealth of billionaires. These are mere speculations without proof. As far as wikipedia is concerned, the information contributed is by the users of web site. While sometimes you get some interesting information regarding a topic but the reliability is always questionable. Therefore wikipedia is never quoted as a reference web site.
As far as forbes list is concerned, it does not take in to account the hidden wealth of the wealthy people. They rely mostly on open market capitalisation of the assets of known wealthy people whose source of wealth is known and legally declared. The forbes list of world billionaires is compiled every year and according to this list nobody not even Mian Mansha of Pakistan was ever included.
Search the World’s Billionaires 2009 – Forbes.com
It means no one officially ever was/is a billionaire in Pakistan…[/note]
They may not be reliable sources but it’s also well known that people like Mansha are billionaires and they have legally declared it. I don’t know why it’s not in forbes but if you search using the link you have provided above, only 21 Indians are listed whereas the actual number is 52.