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kolkata metro
A metro refers to an electric railway that operates underground in a given city.
London. The Metropolitan railway opened in 1863, and their tunnels still survive as part of the Circle Line on the London Underground.
The Paris Métro is an electric underground railway system; the term metro is also used in other countries to define a rapid transport system, not necessarily underground.
Guangzhou East Railway Station - metro - was created in 1999.
Metro is a type of railway system
The address for the Metro Railway is Jackson Graham Building, 600 5th Street, NW, Washington, DC 20001.
The London underground was the first underground urban railway in the world, opening its first line in 1868. See http://en.wikipedia.org/wiki/London_Underground
when was metro railway of kolkata became a zone
In 1843 the first tunnel was opened under the Thames. In 1846, London Counsel Charles Pearson proposed laying underground lines connecting the railway.
yes
Metro