Howrah bridge is a bridge stretching over the Hooghly river in West Bengal, India. constructed in 1943, the bridge`s earlier name was the new Howrah bridge, as it replaced a pontoon bridge which was linking the two cities of Howrah and Kolkata Calcutta. it is also called Ravindra setu as a reminiscent of Bengali poet Ravindra Nath Tagore, the first Indian and Asian Nobel laureate. it is known as the Howrah bridge all over the world.the bridge is one among the four on the Hooghly river and is resembled as a symbol of Kolkata and west Bengal. the three other bridges are the Vidyasagar setu known as the second Hooghly bridge, the Vivekananda setu, and the latest built Nivedita setu. it is responsible for the storms which rise in a bay of Bengal region, approx a daily traffic of 100,000 vehicles and more than 150,000 pedestrians, making it the occupied cantilever bridge in the world.