Kolkata is normally the gateway to the state but there are entry points all around. Two commercial airports are at Kolkata and Bagdogra. The state has a number of smaller airports. Railways link it with other states from all sides. Major road connections are NH 2 from Delhi, NH 5 from Chennai, NH 6 from western India and NH 31 from Guwahati. Major ports are Kolkata and Haldia. There are a number of smaller ports.
