Raising of the plinth in the south course, owning a underground drinking water tank or open up water entire body in the north, east or northeast route, help to attain the golden ratio and put into action the helix notion in a house. Before setting up any vaastu, the plot ought to be demarked in the ratio 1: 1.618 (length:breadth) known as the golden ratio. Using the principles of Vaastu, we guard ourselves from these rays.