In the year 2006, Indigo, today's one of the fastest growing low cost carriers in the world and one of the largest profitable airline in India was established by Rahul Bhatia &  Rakesh Gangwal. The Cost Reduction Business model that has been adopted by the airlines effectively reduces its operating costs. Airbus A320 has been adopted as the sole aircraft type that they usually purchase in bulk from the Airbus company. This saves a great deal of time while the training of the Airlines crew. The airlines allows 15 Kg of Baggage for the passengers.

The Headquarters are located at Gurugram, Haryana. The company was founded as a private company, but went public in 2015. The airline operates to 46 destinations (and growing). It has its primary hub at Indira Gandhi International Airport, Delhi. They have a 42.6% market share in terms of passengers carried according to last year's data. Earlier on 15 August 2015, IndiGo confirmed the order for 250 "A320 Neo" aircraft for $26.5 billion. Recently, around the month of May 2017, IndiGo has tentatively signed for 50 "ATR72-600 for the UDAN regional connectivity scheme, to be delivered from the year end for up to 20 by the end of 2018.

IndiGo does not provide any complimentary meals in-flight to maintain the low rates of their flight tickets. Passengers on board does have the option of availing the in-flight meals but there are no in-flight entertainments like TV etc. IndiGo publishes an in-flight magazine by the name of 'Hello 6E' . Premium services like pre-assigned seats, multiple cancellations, priority check-ins (charged extra) are also offered by IndiGo.

Recently, Indigo have launched their International services but only to 7 countries. They were launched on September 1st, 2011 but only between New Delhi and Dubai. Gradually, they offer their services for travelling to other 6 destinations (Bangkok, Singapore, Muscat, Kathmandu, Sharjah & Doha.)