King of Kohinoor

A man returns to his family after more than 20 years, but gets ridiculed and mocked for the gift he has got - but nobody knows that he is now one of the richest people in the world and the gift he has got is the Kohinoor diamond itself. As people doubt that the gift he has got is actually worth anything, it is put to many doubts and tests which the man overcomes and silences everyone