There are 128 primary airports in India distributed among 127 cities. India has the 41st largest tourism market in the world by air, with 6,968,000 tourists arriving each year.*
The national aviation authority for the country is Directorate General of Civil Aviation. The busiest airport is Indira Gandhi International Airport with a total of 39,752,819 passengers.
*World Tourism Organization, Yearbook of Tourism Statistics, Compendium of Tourism Statistics and data files.