IndiGo

IndiGo is the airline brand operated by InterGlobe Aviation Limited. It describes itself as India's largest passenger airline and runs a low-cost domestic and international network. The carrier began operations in 2006 and built its model around frequent flights, relatively simple fares and high aircraft use.

Its fleet is centred on Airbus A320 and A321-family jets, with ATR 72-600 turboprops serving shorter regional routes. InterGlobe Aviation is the listed corporate operator, while IndiGo is the customer-facing airline brand. That distinction helps separate the carrier's operations from the wider InterGlobe group. IndiGo's international services extend the same low-cost model beyond India, but individual routes remain subject to normal schedule and regulatory changes.