21. Indira Gandhi International Airport
Number of passengers: 55,631,385
The Indira Gandhi International Airport is the pride of the nation. It is the biggest airport in India, and is a civilian aviation hub for the National Capital Region of India. It takes the twenty first spot on our list as it served over 55 million people in the year 2016. We can speculate that the number of passengers severed will only increase in 2017 as well.
Murgermari/Shutterstock.com
