109 workers injured in train collision at tunnel in India: Full details

109 workers injured in train collision at tunnel in India: Full details

31.12.2025
7 mins read
One hundred and nine workers were injured in a train collision inside a tunnel at a hydroelectric project in the northern Indian state of Uttarakhand. Authorities attributed the accident to brake failure and confirmed that work at the site has resumed.

Indian authorities announced today that 109 workers sustained injuries of varying severity, mostly minor, following a collision between two monorails used for construction work inside a tunnel at the site of a hydroelectric power station project in Uttarakhand state, northern India.

Gaurav Kumar, the region's chief administrative officer, explained in a press statement that initial investigations indicate the accident was caused by a sudden technical malfunction in the brakes of one of the trains, leading to a loss of control and a collision with the other. The Indian official confirmed that first aid was administered to the injured, noting that work on the project resumed normally today after the debris from the collision was cleared and the site was deemed safe.

Context of infrastructure projects in the Himalayas

This incident once again highlights the significant challenges facing infrastructure and energy projects in Uttarakhand, a state nestled in the Himalayas. While the region is a vital hub for hydroelectric power projects in India due to its geography and abundance of glaciers, it is also characterized by rugged terrain and high geological sensitivity.

India is striving to boost its clean energy production by building dams and digging tunnels in these mountainous regions to meet the growing demand for electricity in one of the world's most populous countries. However, these development ambitions often clash with occupational safety challenges and natural hazards, as the state has witnessed several construction accidents and natural disasters in recent years that have disrupted work on these massive projects.

Safety record and the importance of developing standards

Although this incident involved a train transporting workers within a construction site and not on the national railway network, it has reignited the debate surrounding industrial safety in India. India has one of the world's largest railway networks and faces ongoing challenges related to infrastructure modernization and the maintenance of aging equipment. The Indian government is currently investing heavily in modernizing this vital sector to ensure the safety of both passengers and workers.

This incident is of particular importance locally, raising questions about the routine maintenance programs for heavy equipment used in tunnels. It is expected to prompt local authorities and construction companies to review the technical inspection programs for brakes and safety systems on monorails used in mountain projects, in order to prevent a recurrence of such incidents that could lead to costly delays in the country's strategic energy projects.

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