Asia's premier aviation gateway, Indira Gandhi International Airport has outlined an extensive expansion program requiring an overall investment pegged at approximately ₹7,000 crore. The sweeping blueprint, unveiled by Delhi International Airport Limited during a media roundtable on Tuesday, aims to scale up the capital's annual passenger handling capability from its existing threshold of 106 million travelers to around 125 million by 2030, with future design headroom capable of reaching 129 million under a 10-year master plan running through 2036. The multi-tiered initiative encompasses terminal expansions, new apron stands, optimized processing facilities, and the long-awaited introduction of an advanced Automated People Mover system to deliver seamless transit between passenger terminals.
Central to this modernization initiative is the construction of a 7.3-kilometer Automated People Mover corridor, representing a capital commitment of approximately ₹3,500 crore. Slated for operational rollout by 2030, the driverless elevated and underground transit network will link Terminal 1, Terminal 2, Terminal 3, and the commercial hospitality hub at Aerocity through six dedicated stations. Currently, transferring between Terminal 1 and the integrated international-domestic complex at Terminal 3 requires passengers to navigate congested perimeter public roads by bus or taxi, creating significant transit friction for interline travelers. Once commissioned, the automated transit system is engineered to slash the transfer duration between Terminal 1 and Terminal 3 to roughly 13 minutes, operating at high frequency to manage an estimated 55,000 transit passengers per day in its initial year of service. The transit alignment will also integrate directly with the Delhi Metro network, establishing an interconnected multi-modal transport hub for flying and non-flying visitors.
Alongside the intra-airport transit link, the expansion plan distributes major capacity upgrades across the airport’s physical terminal infrastructure. Under the leadership of DIAL chief executive officer Videh Kumar Jaipuriar and deputy chief executive officer K. Narayana Rao alongside chief operating officer Sanjiv Edward and senior leadership, the airport has mapped out substantial enlargements for both Terminal 1 and Terminal 3. Terminal 1, which primarily accommodates domestic low-cost carriers, will see its annual handling capacity increase from 42 million to 45 million passengers through the addition of three dedicated bus boarding gates and debottlenecked circulation spaces. Meanwhile, the handling capacity of Terminal 3 will expand significantly from its current 50 million to approximately 66 million passengers annually.
Within Terminal 3's projected 66-million-passenger capacity, 27 million will be dedicated to domestic traffic and 39 million allocated to international operations, addressing the surging demand for long-haul international routes. To accommodate this growing volume, the airport operator is developing a brand-new Pier E at Terminal 3, targeted for completion by April 2030. This addition follows the recent conversion of Pier C from domestic to international operations to handle wide-body long-haul flights. The overall T3 expansion will also feature redesigned passenger processing check-in halls, expanded baggage reclaim carousels, and modernized security screening zones. In the interim, while the automated rail link is constructed, DIAL is pursuing formal regulatory approval to launch dedicated airside shuttle bus corridors to streamline transfer passenger flows between Terminal 3 and Terminal 1.
The master plan also addresses airside capacity constraints by expanding aircraft parking infrastructure. The airport currently operates around 228 equivalent aircraft stands across its operational aprons and intends to expand this figure to approximately 270 stands by the end of the investment cycle. Adding 42 aircraft parking bays ensures that hub carriers such as Air India and IndiGo can base larger fleets in Delhi, support faster turnaround times, and expand early-morning departure banks without facing apron gate gridlock. Terminal 2, which maintains a certified annual throughput capacity of 14 million travelers, will continue in its present operational format over the medium term to absorb passenger flows, with long-term master planning keeping open the option of an eventual redevelopment into a mega Terminal 4 as traffic thresholds dictate.
The timing of this capital expenditure carries broader strategic importance for civil aviation across the National Capital Region. With regional air traffic expanding at double-digit rates and regional airports being integrated into the northern transport corridor, Indira Gandhi International Airport's continuous capacity expansion ensures that the national capital retains deep network economies of scale, extensive global interline connectivity, and ample domestic feeder links. By pairing physical terminal expansions with a world-class Automated People Mover, DIAL is systematically eliminating operational bottlenecks, safeguarding passenger comfort, and equipping India's busiest aviation hub to handle the next era of global aviation growth.