Airports Authority of India (AAI) was constituted by an Act of Parliament and came into being on 1st April 1995 by merging erstwhile National Airports Authority and International Airports Authority of India. The merger brought into existence a single Organization entrusted with the responsibility of creating, upgrading, maintaining and managing civil aviation infrastructure both on the ground and air space in the country.
AAI manages 125 airports, which include 18 International Airport, 07 Customs Airports, 78 Domestic Airports and 26 Civil Enclaves at Defense airfields. AAI provides air navigation services over 2.8 million square nautical miles of air space. During the year 2013-14, AAI handled aircraft movement of 1536.60 Thousand [International 335.95 & Domestic 1200.65], Passengers handled 168.91 Million [International 46.62 & Domestic 122.29] and the cargo handled 2279.14 thousand MT [International 1443.04 & Domestic 836.10].
The main functions of AAI inter-alia include construction, modification & management of passenger terminals, development & management of cargo terminals, development & maintenance of apron infrastructure including runways, parallel taxiways, apron etc., Provision of Communication, Navigation and Surveillance which includes provision of DVOR / DME, ILS, ATC radars, visual aids etc., provision of air traffic services, provision of passenger facilities and related amenities at its terminals thereby ensuring safe and secure operations of aircraft, passenger and cargo in the country