Aman Trivedi
Kolkata Railway Station is the busiest railway station in India and Kolkata metro is the first metro in the country.
Kolkata is the first city in India where underwater metros run.
Howrah railway station is the biggest railway station in India.
Kolkata Metro holds the record to offer cheapest metro service in the country.
Kolkata metro stations have been named with some of the big personalities of India.
It is considered the third largest station in India after Howrah and Mumbai Chatrapati Shivaji stations.