Question: What  is a low-cost airline headquartered at Gurgaon, that is the largest airline in India, the third largest domestic airline being the flag carrier airline of India ?

Related documents: [0]  [DOC] Air India is the flag carrier airline of India. It is owned by Air India Limited, a government-owned enterprise, and operates a fleet of Airbus and Boeing aircraft serving 90 domestic and international destinations. The airline has its hub at Indira Gandhi International Airport, New Delhi, alongside several focus cities across India. Air India is the largest international carrier out of India with an 18.6% market share. Over 60 international destinations are served by Air India across four continents. Additionally, the carrier is the third largest domestic airline in India in terms of passengers carried (after IndiGo and Jet Airways) with a market share of 13.5% as of July 2017. The airline became the 27th member of Star Alliance on 11 July 2014. [END] 
[1]  [DOC] IndiGo is a low-cost airline headquartered at Gurgaon, Haryana, India. It is the largest airline in India by passengers carried and fleet size, with a 38.7% market share as of July 2017. It is also the largest individual Asian low-cost carrier in terms of jet fleet size and passengers carried, and the eighth largest carrier in Asia with over 41 million passengers carried in 2016. The airline operates to 46 destinations both domestic and international. It has its primary hub at Indira Gandhi International Airport, Delhi. [END]  
Answer: IndiGo
IndiGo