Meet richest Indian ever, much richer than Mukesh Ambani, Ratan Tata, had 50 Rolls Royce cars, used diamond as...

His collection of diamonds was extraordinary and included some of the world's most famous stones such as the Darya-e Nur, Nur-Ul-Ain Diamond, Koh-i-Noor, Hope Diamond, Princie Diamond, Regent Diamond, and Wittelsbach Diamond.