The ports tycoon was impacted by a fall in shares of his Adani Ports & SEZ, which his son Karan runs as chief executive. Adani's controversial coal-mining project in Queensland got a reprieve when a federal court in August dismissed a legal challenge by an environmental group to the approval granted by the government. At home Adani is expanding into solar power with projects in Tamil Nadu, Gujarat and Rajasthan. The group also plans to make solar panels but hasn't yet selected a technology partner.