Bengaluru Skies Set to Expand: The Race for the Second International Airport

April 30, 2026 – The race to establish Bengaluru’s second international airport has officially narrowed down to a high-stakes contest in the city’s southern corridor. Deputy Chief Minister and Bengaluru Development Minister D.K. Shivakumar has confirmed that the state is fast-tracking the evaluation of two primary sites in the Kanakapura region, signaling a strategic shift to cater to the city’s rapidly expanding southern and western suburbs.

As Kempegowda International Airport (KIA) in Devanahalli approaches its projected saturation point, the Karnataka government is under pressure to finalize a location that can mirror KIA’s scale and economic impact.

The Leading Contenders: Why Kanakapura?

For months, the government has balanced a shortlist of three locations. However, recent developments indicate that the two sites along Kanakapura Road—one near Kaggalipura and another near Harohalli—have taken the lead over the third option on Kunigal Road.

1. Kaggalipura (Bengaluru Urban)

Located within the Bengaluru Urban district, this site offers approximately 4,800 acres of land. Its proximity to the existing city limits makes it an attractive choice for commuters from South Bengaluru, Jayanagar, and Banashankari.

2. Harohalli (Ramanagara District)

The second site, situated near the industrial hub of Harohalli, spans roughly 5,000 acres. This location is particularly strategic due to its distance—only about 10 kilometers—from the final station of the Namma Metro Green Line.

“We are looking at the next 50 years of Bengaluru’s growth,” said D.K. Shivakumar during a recent infrastructure briefing. “The southern part of the city has seen immense residential and industrial growth, yet residents here often face a two-hour journey to reach Devanahalli. A second airport in Kanakapura would balance the city’s geography.”

The Infrastructure Push: A ₹1.5 Lakh Crore Vision

The push for a second airport is not an isolated project. It is the crown jewel in a massive ₹1.5 lakh crore infrastructure overhaul aimed at transforming Bengaluru into a global “Future Tech Capital.”

The government’s plan includes:

• The 74-km Bengaluru Business Corridor: Designed to provide seamless connectivity between the outskirts.
• Twin Tunnel Projects: A 40-km network to bypass surface-level traffic.
• Double-Decker Metro Lines: Expanding the reach of public transit to the airport gates.
• Bidadi AI City: A 9,000-acre dedicated hub for Artificial Intelligence located in close proximity to the proposed Kanakapura airport sites.

Hurdles on the Horizon: Terrain and Airspace

Despite the political momentum, the project faces significant technical and environmental challenges. A preliminary report by the Airports Authority of India (AAI) has highlighted several “red flags” that the state must now address through a more detailed feasibility study.

The “Hilly” Challenge

Both Kanakapura sites are characterized by rocky, uneven terrain. The AAI noted that hills on the eastern and western flanks of these sites might pose navigation risks. Leveling these hills to meet international aviation safety standards would be a monumental engineering task and could significantly drive up costs.

Airspace Congestion

Bengaluru’s airspace is already crowded. With the HAL Airport, Yelahanka Air Force Station, and the existing KIA all operating in a relatively tight radius, earmarking a new “flight corridor” for a second international airport requires complex negotiations with the Ministry of Defence and civil aviation regulators.

Environmental Concerns

The proximity of the Kanakapura sites to the Bannerghatta National Park has raised alarms among environmentalists. The park is a vital elephant corridor, and critics argue that the noise pollution and urban sprawl associated with an international airport could devastate local biodiversity.

The “150-Kilometer” Clause

One of the biggest hurdles is a legal one. The current agreement between the Union Government and Bangalore International Airport Limited (BIAL), which operates KIA, includes an exclusivity clause. This clause prevents any other international airport from operating within a 150-km radius until May 2033.

Consequently, the government is playing the long game. By finalizing the site and beginning land acquisition in 2026, they aim to have the infrastructure ready the moment the exclusivity clause expires. Experts suggest that if construction begins by 2028, the second airport could realistically welcome its first flight by 2034 or 2035.

Comparison of Proposed Sites

Feature	Kanakapura Site 1 (Kaggalipura)	Kanakapura Site 2 (Harohalli)	Kunigal Road Site
Land Area	~4,800 Acres	~5,000 Acres	~5,200 Acres
District	Bengaluru Urban	Ramanagara	Nelamangala
Proximity	Close to South Bengaluru residential hubs	Near Industrial area & Metro Green Line	Better connectivity to North/West Karnataka
Topography	Hilly/Rocky	Hilly/Rocky	Relatively Flat
Main Advantage	High passenger catchment	Industrial synergy & Metro access	Lower land cost & easier terrain

What Happens Next?

The state government has already invited bids for a Techno-Economic and Financial Feasibility (TEFR) study. This study will provide a definitive answer on:

1. Which site offers the best return on investment.
2. How to mitigate the environmental impact on Bannerghatta.
3. The cost of leveling the rocky terrain.

Union Civil Aviation Minister Kinjarapu Ram Mohan Naidu has assured the state of the Centre’s support once the feasibility report is submitted. For now, the “Race to Kanakapura” remains the most watched development in Indian aviation, promising to redefine the landscape of India’s Silicon Valley.

As the city continues to swell, the decision made in the coming months will determine whether Bengaluru remains a congested tech hub or evolves into a multi-modal global metropolis.