Elon Musk is the richest person with a $230 billion net worth, followed by Bernard Arnault of Louis Vuitton at the second spot and Amazon's Jeff Bezos at third on the list.
Rajarshi Gupta has taken over as Managing Director of ONGC Videsh Ltd (OVL), the overseas investment arm of state-owned Oil and Natural Gas Corporation (ONGC).
The theme for National Doctor's Day is "Family Doctors on the Front Line", which highlights the contribution of doctors who care for the whole family or a community.
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