Adani’s Aviation Expansion Sparks a New Battle: Why IndiGo and Air India Are Raising the Alarm

India’s aviation industry could be heading towards an unusual clash—not between two airlines, but over who should be allowed to control the infrastructure that airlines depend on.

The growing aviation ambitions of the Adani Group have put the issue firmly in the spotlight. The conglomerate already operates several major airports in India, including airports in Mumbai, Ahmedabad and Lucknow. If the group eventually enters the airline business, it would create a business model in which the same corporate house could control airports while also competing with airlines that use those facilities.

That possibility has brought IndiGo and Air India, India’s two biggest airline groups, onto broadly similar ground.

Both carriers have raised concerns about the potential conflict of interest that could emerge if airport operators are also allowed to own and operate airlines. Their argument is straightforward: airports provide essential infrastructure to every airline, and those facilities should be managed neutrally.

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Why are airlines worried about airport owners entering aviation?

Think of an airport as a giant marketplace where airlines compete for passengers. But unlike an ordinary marketplace, the airport controls many of the resources that airlines need to operate.

These include landing and parking slots, terminal facilities, passenger boarding bridges, ground-handling arrangements and various airport-related charges.

Airlines argue that if an airport operator also owns an airline, competitors could find themselves in a difficult position. Even without deliberate discrimination, concerns could arise over whether one carrier receives preferential treatment in areas that can directly affect its rivals.

This is particularly significant in major Indian cities, where airlines may have limited alternatives to the country’s busiest airports.

IndiGo calls it a “massive conflict of interest”

IndiGo Managing Director Rahul Bhatia has described the possibility of airport operators owning airlines as a “massive conflict of interest.”

His concern centres on the unique position airports occupy within the aviation ecosystem. Airlines can compete with one another, but they cannot always choose an alternative airport when serving a particular city.

For airlines, this makes airport neutrality extremely important.

The argument is that an airport should function as shared infrastructure, providing services and access to competing airlines on fair and transparent terms rather than becoming part of a larger corporate aviation strategy.

Air India also raises concerns

Air India, now part of the Tata Group, has expressed similar reservations about airport operators entering the airline business.

The airline’s position is that airports provide essential infrastructure to all carriers and therefore need to operate independently. The concern is that common ownership of airports and airlines could potentially create conflicts involving pricing, infrastructure allocation and access to key facilities.

The debate comes at a time when India’s aviation market is expanding rapidly and airlines are fighting for greater capacity at major airports.

Why Adani’s aviation ambitions have changed the conversation

The debate is not necessarily about whether the Adani Group could successfully operate an airline. The bigger question is what happens when an airport operator with a significant presence across India’s aviation infrastructure becomes a direct competitor to the airlines using its airports.

Adani Airports Holdings has established a major presence in India’s airport sector and continues to expand its aviation footprint.

If the group eventually launches or acquires an airline, competitors could potentially find themselves operating from airports controlled by a company that also has interests in commercial aviation.

That raises questions about everything from airport charges and slot allocation to ground services and long-term infrastructure decisions.

For an airline, even small differences in these areas can have a major impact on costs and operational efficiency.

Is this model allowed in other countries?

There is no single global approach to airport and airline ownership.

Some countries maintain a clear separation between airport operators and airlines, while others permit common ownership but impose strict regulatory safeguards designed to prevent anti-competitive behaviour.

For India, the key question will be whether the existing regulatory framework is strong enough to guarantee a level playing field if an airport operator also becomes an airline owner.

The issue is likely to become more important as passenger numbers increase, new airports come online and private investment continues to reshape the country’s aviation industry.

The bigger battle ahead

India’s aviation sector is entering a period of major change. Airport expansion, rising passenger traffic and the growth of private aviation infrastructure are all creating new opportunities—but they are also raising questions about how competition should be protected.

For IndiGo and Air India, the position is clear: airports should serve all airlines fairly and remain neutral infrastructure providers.

For policymakers, however, the challenge will be finding the right balance between encouraging investment and ensuring that no airline gains an unfair advantage through control of the infrastructure its competitors rely on.

As India’s aviation ambitions grow, the debate surrounding Adani’s potential airline plans could become one of the industry’s most closely watched regulatory battles. And the biggest question may not simply be who will fly India’s passengers next—but who will control the airports from which they fly?