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The much-awaited tunnel boring machines to build the country's first undersea rail tunnel for the Mumbai-Ahmedabad high-speed bullet train project are on their way and will be delivered at the Jawaharlal Nehru Port Trust in Mumbai on Monday, sources said. The customised TBM was manufactured by the German company Herrenknecht in its unit based in China. Officials said that these TBMs are among the largest and most expensive in the country, with a diameter of 13.1 meters, one of the biggest ever to be used in any rail project in India. Usually, TBMs with cutter heads of 5 or 6 meter diameter are used for urban tunnels used in the MRTS Metro system. The package C2 of the Mumbai-Ahmedabad High Speed Rail Project, under which the undersea tunnel comes, is being executed by Afcons Infrastructure Ltd. The whole package involves a 20.37 km-long tunnel. "Of this, 4.8 km has been completed through the New Austrian Tunnelling Method (NATM) in September 2025, while the remaining 15.489 km wil
Karnataka's Large and Medium Industries Minister M B Patil on Thursday said that the Indian machine tool industry is projected to generate revenue of USD 3.8 billion by 2030, driven largely by the dominance of the metal-cutting segment. Speaking at the inaugural event of IMTEX 2025, organised by the Indian Machine Tool Manufacturers' Association (IMTMA), he noted that India ranks 9th globally in machine tool production and 7th in consumption. Highlighting that the sector generated over USD 2.2 billion in revenue in 2022, the minister emphasised Karnataka's crucial role in the industry, accounting for 52 per cent of India's total machine tool production and ranking as the third-largest contributor to heavy engineering in the country. He also drew attention to Tumakuru's Integrated Machine Tool Park (TMTP), a state-of-the-art 530-acre facility that has emerged as a hub for domestic and international investments in the sector. "Karnataka is home to leading players such as ABB, Siemens