No direct train is available from Chennai to Kolkata.Coromondal Express is for Howrah.Other train is for Shalimar.Both station is outside of Kolkata. Taxi takes 200 Rs or above to reach main Kolkata.A new terminal Kolkata Chitpur was set up in 2006.We request for a train Chennai - Kolkata Chitpur Terminal to ease passengers to avail Kolkata.For kind information Puri - Sealdah Duronto began to run recently.Sealdah is in middle of Kolkata city.