Our sages and seers have knew the secrets of using all the five elements of this universe and their special characteristics and influences such as the magnetic field, gravitational effect etc. of Earth, the galaxy in the sky, the directions and velocity of the winds, light and heat of the SUN including the effects of its Ultra-Violet and Infra-Red rays, the volume and intensity of rainfall etc. for the advantage of the mankind in suitably planning and constructing buildings for dwelling, prayer, entertainment , education , working , production and other purposes . They evolved scientific methods and systems and confined them over the years as 'VAASTU SHASTRA'. Our sages SEARCHED it; we are only RESEARCHING it and building the concepts.