IndiGo is a private, low-cost airline based in India that was founded in 2006. It has grown rapidly to become the largest airline in India by market share. IndiGo focuses on operational efficiencies through strategies like only operating new Airbus A320 aircraft and offering low, consistent fares. This focus on a low-cost model has helped IndiGo become profitable for five consecutive years while other Indian airlines struggled. IndiGo's adherence to its low-cost strategies and emphasis on punctuality have been key to its success in the Indian airline industry.