resources, because it does not have choices and alternatives. As a consequence of global warming and pollution, importance of water has increased much. Some "2 billion people” already lack water supplies. Water use has risen six-fold over the past 70 years. By 2050, it is estimated that 4.2 billion people live in countries that cannot meet people’s daily basis needs. South Asia is a region of water abundance and scarcity. “Issues concerning water