Arvind Singh, took charge as the chairman of the Airports Authority of India (AAI).The AAI, which comes under the Ministry of Civil Aviation, owns and manages more than 100 airports across the country. Prior to this appointment, Singh was the additional chief secretary (Energy) of Maharashtra government. “In his new assignment as the Chairman of the AAI, Singh will lead efforts to achieve AAI’s organisational goals of providing world-class airport infrastructure, top-of-the-line facilities and leading air navigation services in the world,” the AAI said.