India’s first bullet train project connecting Mumbai and Ahmedabad has reached a significant milestone with the opening of a section of the 21 km undersea tunnel between Ghansoli and Shilphata in Maharashtra.
This advancement signals a new era in India’s transport infrastructure, powered by Japanese Shinkansen technology and a strong India–Japan partnership.
From civil progress to the arrival of next-gen trains, here’s a detailed look at the project’s latest developments.
A major achievement was recorded as the first section of the undersea tunnel part of the 508 km Mumbai–Ahmedabad high-speed rail corridor was opened in Maharashtra. The 21 km tunnel between Ghansoli and Shilphata is among the most complex engineering undertakings in the project, showcasing India’s advancing capabilities in world-class infrastructure development.
In a landmark decision under the India–Japan strategic cooperation, the Japanese government has agreed to supply the next-generation E10 Shinkansen trains for this route. These trains, an upgrade from the currently running E5 series in Japan, will debut simultaneously in both India and Japan, marking a unique moment of global technological synchronisation.
The entire high-speed rail corridor is being built with advanced Japanese Shinkansen technology, known globally for its high-speed efficiency, safety protocols, and reliability. This reflects the deep strategic partnership and mutual trust between India and Japan, elevating the standards of passenger rail in the country.
Civil works across the alignment are moving at a rapid pace. The project has already completed 310 km of viaducts and 15 river bridges, with 4 more in advanced stages. Of the 12 stations planned along the route, 5 are now complete, while 3 more are nearing completion.
A highlight of the project is the station at Bandra Kurla Complex (BKC), which is being constructed 32.5 metres below ground level. Remarkably, the station’s foundation is designed to support a 95-metre-tall commercial building above it, making it a true engineering marvel.
Simultaneously, the work on laying tracks, constructing overhead electrical lines, and installing operational systems is progressing well. Modern control and communication technologies are also being incorporated to ensure that the bullet train functions efficiently and safely.
The Mumbai–Ahmedabad bullet train is expected to serve as a model for future high-speed corridors in India. With the ongoing success and momentum, new routes are being actively evaluated, setting the stage for a wider network of bullet trains that could reshape intercity travel across the country.
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The bullet train project symbolises the strength of India’s collaboration with Japan, not just in terms of technology but also in vision and execution. The introduction of the E10 Shinkansen, coupled with the rapid infrastructure development, demonstrates India’s readiness to adopt and implement world-class transport solutions.
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Published on: Jul 14, 2025, 4:42 PM IST
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