A. Mumbai Explanation: Kotak Mahindra Bank is an Indian private sector banking headquartered in Mumbai, Maharashtra. Kotak Mahindra Bank Launches International Banking Unit in GIFT City recently. Kotak Mahindra Bank CEO Uday Kotak, who has a net worth of about $7.1 billion, is the sole Indian in Forbes‘ list of 40 of the most powerful people in the financial world who control the flow of trillions of dollars around the global economy.