Virender Sehwag , 278 ball fastest triple century for India against South Africa in 2008. http://www.monkeydollars.net/2009/12/fastest-triple-century-beating-by.html
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Sachin Tendulkar has the highest number of centuries in test cricket with 47.
Two.
Sachin Tendulkar with 47 centuries
don bradman - 12 centuries
Sachin Tendulkar scored 42 centuries in test cricket which is the highest.
Australian Don Bradman has scored more double centuries in Test cricket than any other player, with 12.
Four
Inzamam Ul Haq in test cricket.
Don bradman - 9 i suppose
Virender Sehwag. He is the only Indian batsman to have scored two triple centuries in test cricket
Don Bradman