India's First Undersea Tunnel for Mumbai-Ahmedabad Bullet Train: Key Details

12 Aug 2024 CW Team

India is set to achieve a groundbreaking milestone with the construction of its first undersea tunnel as part of the Mumbai-Ahmedabad bullet train project. This advanced infrastructure endeavour is designed to enhance connectivity between the two major cities and represent a significant leap in Indian engineering capabilities.

The undersea tunnel will be a crucial component of the 508-kilometre high-speed rail corridor, which aims to reduce travel time between Mumbai and Ahmedabad to just a few hours. The tunnel will span several kilometres under the Arabian Sea, connecting the coastal cities seamlessly.

Engineering the undersea tunnel involves sophisticated technology and meticulous planning. The project employs advanced tunnel boring machines (TBMs) and cutting-edge techniques to ensure safety and efficiency. The construction process includes careful underwater excavation, structural reinforcement, and precise alignment to accommodate the high-speed trains.

This ambitious project reflects India's commitment to modernising its transport infrastructure and enhancing regional connectivity. Once completed, the undersea tunnel will not only mark a milestone in Indian rail history but also set a precedent for future large-scale infrastructure projects in the country. The ongoing work underscores the project?s significance and the nation's dedication to advancing its high-speed rail capabilities.

Infrastructure Transport

30 May 2026

Chembur Metro to Boost East Mumbai Links

MMRDA is advancing eastern Mumbai’s urban mobility network, with the upcoming Chembur Metro Station set to emerge as a key interchange and the Mumbai Monorail preparing for relaunch.Dr Sanjay Mukherjee, Metropolitan Commissioner, MMRDA, conducted a site visit to Chembur Metro Station along with Kanhuraj Bagate, Managing Director, MMMOCL. He also visited the nearby VN Purav Monorail Station to review system preparedness and ease of interconnectivity.Once operational, the interchange is expected to offer commuters across the eastern suburbs quicker access, smoother transfers and seamless conne..

Herrenknecht TBMs Drive Thane–Borivali Tunnel Progress

Herrenknecht India has supplied two of the four tunnel boring machines (TBMs) required for the 11-km Thane–Borivali Twin Tunnel Project being developed by the Mumbai Metropolitan Region Development Authority (MMRDA). The project is expected to reduce travel time between Thane and Borivali from 60–90 minutes to around 15 minutes while easing congestion across the Mumbai Metropolitan Region.The first two Single Shield TBMs, named Nayak and Arjuna, feature 13.34-m cutterhead diameters and are designed for hard-rock excavation. They will be deployed to tunnel through the challenging geological..

KBL Launches Smart Skid Mounted Fire Pump Set

Kirloskar Brothers (KBL) has launched its Smart Skid Mounted Fire Pump Set, an integrated fire protection solution designed to improve operational efficiency, remote monitoring and installation flexibility. The system was inaugurated by Ms Madhuritai Misal, Hon. Minister of State for Urban Development, Government of Maharashtra.The Smart Skid Mounted Fire Pump Set is a factory-tested, pre-packaged solution that combines FM/UL-certified motor and engine pump sets with IoT-enabled remote monitoring. Designed to deliver a flow rate of 170 m³/hr at a head of 100 metres, the system aims to provide..