The Government of India constituted the International Airports Authority of India (IAAI) in 1972 to manage the nation’s international airports while the National Airports Authority (NAA) was constituted in 1986 to look after domestic airports.
The organisations were merged in April 1995 by an Act of Parliament, namely, the Airports Authority of India Act, 1994 and has been constituted as a Statutory Body and was named as Airports Authority of India (AAI).
The Airports Authority of India or AAI is a statutory body (created through the Airports Authority of India Act, 1994) working under the 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.
With the mission to be the foundation of an enduring Indian aviation network, providing high quality, safe and customer oriented airport & air navigation services, AAI is currently managing a total of 137 Airports, including 23 International Airports, 10 Customs Airports, 81 Domestic Airports and 23 Civil enclaves at Defense Airfields.
AAI also has ground installations at all airports and 25 other locations to ensure safety of aircraft operations.
AAI covers all major air-routes over Indian landmass via 29 Radar installations at 11 locations