Kolkata previously known as calcutta in the famous capital of west bengel in india and the home of nearly 15 million people. The traffic jams and engine fumes begin early in the morning with long lines of private cars public buses taxis,three - wheeled scooters and pedicabs. There aren't many alternatives. You can catch a train through the city or take the underground but sooner or later you have to go on foot and walking in kokata is a dangerous activity. As the drivers race towards pedestrians,they blow their horns. The sound never stops from morning to night.