InterGlobe Aviation Limited, doing business as IndiGo, is an Indian low-cost airline headquartered in Gurgaon, Haryana, India. It is the largest airline in India by passengers carried and fleet size, with a ~57% domestic market share as of October 2022.[non-primary source needed] It is also the largest individual Asian low-cost carrier in terms of jet fleet size and passengers carried, and the fourth largest carrier in Asia. The airline has carried over 300+ million passengers as of November 2022.