Updated On: 10 November, 2018 04:01 PM IST | Mumbai | Rajendra B Aklekar
EXCLUSIVE >> With the tunnelling work for a third of all underground Metro routes completed, mid-day does a status check on the giant boring machines named after rivers of Maharashtra

The tunnel boring machine laid down at Chhatrapati Shivaji Maharaj Terminus has now reached Girgaum
Around eight storeys beneath your feet, the Metro III tunnel boring machines are whirring quietly, building a parallel city of underground tunnels. As of now, 10.72 km of tunnels are ready. The machines lowered at at CSMT have reached Girgaum, and the one at Naya Nagar has now reached Dadar, about 500 metres from Shiv Sena Bhavan.
Some 80 feet underground, there are 17 tunnel boring machines (TBM) - named after rivers in Maharashtra - furiously digging the 33.5-km Metro network. The Colaba-Bandra-SEEPZ corridor will connect six business districts, the domestic and international airports, and have five interchange points for suburban railways and one each for the Monorail and Versova-Andheri-Ghatkopar Metro. mid-day goes underground to find how far the machines have reached.