The Airports Authority of India or AAI is a statutory body (created through the Airports Authority of India Act, 1994) working under the jurisdiction of Directorate General of Civil Aviation, Ministry of Civil Aviation, Government of India is responsible for creating, upgrading, maintaining and managing civil aviation infrastructure in India. It provides Communication Navigation Surveillance / Air Traffic Management (CNS/ATM) services over Indian airspace and adjoining oceanic areas. AAI is currently managing a total of 137[1] Airports, including 23[1] International Airports, 10 Customs Airports, 81 Domestic Airports and 23 Civil enclaves at Defense Airfields.