Founded in 2005, Indigo is an Indian low-cost airline based in Gurugram. Interglobe Aviation Limited is the parent company of the airline. Indigo is the largest airline in India by fleet size and passengers carried. The airline has its primary hub at Indira Gandhi International Airport, and operating bases at Chhatrapati Shivaji Maharaj International Airport (Mumbai), Kempegowda International Airport (Bangalore), Chennai International Airport (Chennai), Netaji Subhas Chandra Bose International Airport (Kolkata), Rajiv Gandhi International Airport (Hyderabad), and Sardar Vallabhbhai Patel International Airport (Ahmedabad). Indigo flights connect over 60 destinations via its fleet of 240 aircrafts.