1- Delhi :- Indira Gandhi International Airport is on the name of Indira Gandhi a former Prime Minister of India.
2- Mumbai :- Chhatrapati Shivaji International Airport formerly known as Sahar International Airport is the primary international airport serving the Mumbai Metropolitan Area.
3- Kolkata :- Netaji Subhas Chandra Bose International Airport is an
international airport located in Kolkata, West Bengal, India, serving
the Kolkata metropolitan area.
4- Chennai :- Chennai International Airport is an international airport serving
the city of Chennai, Tamil Nadu, India and its metropolitan area and is located in Meenambakkam, Chennai.