GANGA and Yamuna, the rivers that give birth to extensive plains of north India, have been more of a cultural entity than mere geographic bodies for the people of India. It is easy to talk about Ganga in different contexts, but understanding the river and the special place it has in the conscience of the country, is as complex as understanding India.Jawaharlal Nehru, in his last will said: “The Ganga, especially, is the river of India, beloved by her people, round which is intertwined her racial memories, her hopes and fears, her songs of triumph, her victories and her defeats.