Do you know the Rivers in Bengal? They are the main source of livelihood. They make and break lives of people staying their..in the land of emotion, land of Tagore, and the land of the human being who doesn't love each other but die for the common cause of each other. There is a watchtower too, showing the correct path of sustainability. Although it is said that this land of intellectuals does not require any guidance. But still, we have a watch tower which tries to guide them.