Water is the most essential commodity for the survival of all living creatures on planet earth. Seventy present of earth crust is covered with water. It makes 70 % mass of human body and 85 % of human cell. Being an agricultural country, water means so much for Pakistan as 70% of our population relies on agriculture. The agriculture sector not only provides food to 180 million people in Pakistan, but it also contributes above 20% to GDP and provides 47% of the total employment opportunity in the country.