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A 90-meter-long, 650-tonne tunnel boring machine (TBM), primarily made in India, has reached Kolkata after a 1,653 km journey from Tamil Nadu's Alinjivakkam, marking a major milestone for the city’s ...

A giant Indian-made tunnel boring machine has arrived in Kolkata to continue work on the underground section of the Metro's ...

The Delhi Metro Rail Corporation (DMRC) completed the tunnelling of the entire underground stretch of the Golden Line, being ...