India's first underwater Metro ride could be 2 yrs away
 

http://img-s-msn-com.akamaized.net/t...6&q=60&o=f&l=fTwo top-order tunnel boring machines, nicknamed Rachna and Prerna, are digging India's first ever under-the-river Metro tunnels in Kolkata at full speed. If all goes through, then one could take a Metro ride under the Hooghly river in December 2019.

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