KOLKATA: The first phase of tunneling of the East-West Metro project is on the verge of completion. Prerna, the tunnel-boring machine (TBM) drilling the Howrahbound tunnel, is just 15m from punching ...
project is on the verge of completion. Prerna, the tunnel-boring machine (TBM) drilling the Howrahbound tunnel, is just 15m from punching the diaphragm wall at the Esplanade station site. Rachna, the ...
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