Ravindra Kumar Srivastava, a 1984 Jharkhand Cadre IAS Officer has taken over charge as Chairman of Airports Authority of India (AAI) in New Delhi. Before taking over as Chairman of AAI, he has been Principal Secretary to the Government of Jharkhand in the Department of Planning & Development and Energy after reverting from the Union Ministry of Home Affairs where he was looking after the desk of J & K Affairs as Joint Secretary, an AAI Press release issued here stated.