India has embarked on its longest 'box-pushing' tunneling project beneath the Kolkata airport flyover, a 135-meter stretch set for completion in 10 months. This method ensures uninterrupted ...
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Kolkata: Airport metro’s 135-m long ‘box-pushing’ tunnel to be India’s longestKOLKATA: India's longest "box-pushing" tunnelling work began below the airport flyover on Wednesday morning. This section of metro's Orange line tunnels, stretching 135 m beneath the airport ...
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