BENGALURU: The Supreme Court has allowed Bangalore Metro Rail Corporation Limited (BMRCL) to proceed with construction of the Blue Line, providing relief to the long-delayed metro project connecting Bengaluru’s Central Silk Board area with Kempegowda International Airport. The decision removes a legal obstacle that had affected the project, allowing construction to move forward.

The Blue Line is a key part of Namma Metro’s expansion plans and is expected to improve connectivity along the Outer Ring Road (ORR), which serves several major technology parks and employment hubs. The corridor is intended to provide a faster public transport option for commuters travelling between southeast Bengaluru, the city’s northern areas and the airport.

Court decision clears path for construction

The Supreme Court’s decision allows BMRCL to continue work on the Blue Line despite an earlier status quo order. The development is significant for a project that has faced delays due to a combination of construction challenges, permissions and legal proceedings.

The ruling is expected to help the corporation continue pending work on the corridor. However, permission to proceed with construction does not mean that the line can immediately begin passenger services. Remaining civil works, system installations, testing and statutory safety approvals must be completed before commercial operations can commence.

The precise scope and conditions of the Supreme Court’s order will determine how the corporation proceeds with the affected work.

Blue Line to connect Silk Board and the airport

The Blue Line is planned as a major north-south metro corridor, linking Central Silk Board with Kempegowda International Airport through key parts of Bengaluru. It includes the 19.75-km Central Silk Board–Krishnarajapura stretch under Phase 2A and the extension towards the airport under Phase 2B.

The route is particularly important for commuters travelling along the Outer Ring Road, where traffic congestion has been a persistent problem. The corridor is expected to serve major technology and business districts, including areas around Marathahalli, Bellandur and Hebbal.

Once operational, the line is expected to reduce dependence on road transport for a portion of daily journeys and provide a direct connection to the wider Namma Metro network.

Construction progress and opening timeline

BMRCL has been working to complete the remaining construction and prepare the corridor for testing. In an update reported on October 23, Bengaluru Urban Development Minister Krishna Byre Gowda said construction on the Central Silk Board–Krishnarajapura section was about 87% complete, while station entry and exit works had reached around 88%.

Trial runs on this stretch were expected to begin by the end of October 2026. The target for opening the section to passengers is mid-2027, subject to completion of the outstanding work and the necessary statutory clearances.

The airport extension has a separate construction timeline, with several challenging locations requiring coordination with other infrastructure projects and railway crossings. The Supreme Court’s decision may help maintain progress, but it does not by itself guarantee that the previously announced deadlines will be met.

Delays have affected commuters and businesses

The Blue Line has faced delays linked to construction complexity, traffic restrictions and legal issues. Work along the Outer Ring Road has also affected motorists, with barricades and construction activity reducing available road space in some locations.

Officials have said that heavy traffic limits the hours during which work can be carried out, while coordination with other infrastructure projects has added to the challenges on certain sections.

The metro corridor is expected to offer an alternative to road travel for thousands of commuters working in Bengaluru’s technology hubs. Its eventual opening is also anticipated to improve airport connectivity for residents, employees and visitors.

Construction can continue, but clearances remain essential

The Supreme Court’s decision marks an important legal development for BMRCL, allowing work on the Blue Line to proceed despite the earlier status quo order. The next steps will involve completing pending construction, carrying out trial runs and securing the approvals required for safe passenger operations.

For commuters, the key milestone will be the start of commercial services rather than the resumption of construction alone. BMRCL will need to meet the remaining technical and safety requirements before announcing a confirmed opening date.

The Blue Line remains a major component of Bengaluru’s public transport expansion. The latest court decision removes one hurdle, but the project’s final delivery will depend on construction progress and the completion of all required approvals.