Two Indian-origin entrepreneurs, Adarsh Hiremath and Surya Midha, have doubled their estimated wealth to around Rs 40,000 crore each after their artificial intelligence startup Mercor secured $750 million (around Rs 7,057 crore) in fresh funding at a valuation of $20 billion. The estimates are based on their respective 21 percent stakes in the company.Their fortunes have nearly doubled from an estimated $2.