Air India is the flag carrier airline of India and the third largest airline in India in terms of passengers carried, after IndiGo and Jet Airways. It is owned by Air India Limited, a Government of India enterprise and operates a fleet of Airbus and Boeing aircraft serving various domestic and international destinations. It is headquartered in New Delhi. Air India has major domestic hubs at Indira Gandhi International Airport, New Delhi and Chhatrapati Shivaji International Airport, Mumbai and secondary hubs at Netaji Subhas Chandra Bose International Airport, Kolkata and Chennai International Airport. Air India became the 27th member of Star Alliance on 11 July 2014.