India is considered the mother of Vastu as the ancient saints have formulated various principles of it. It was written nearly thousand years ago where the sages kept in their minds the results of sunlight and energy and stabilizing all the nature's five elemented (earth,air,water,fire,space) in such a way to get the maximum advantage out of it.
The Vastu Shastra is founded upon the laws of nature. The equilibrium, significance of it can very well be noted from the movements of motorcars, ships, airoplaines, trains. The Buses are so accurately balanced that even deflation in any one of the tiers, can cause a serious accident if it is running at a high speed. Similarly, when a building is constructed without observing the rules of Vastu Shastra, various calamities, diseases and accidents take place. This is the eternal rule of nature and it has no place for any logic, doubt or debate.
Often we can hear about the term 'Vastu' while starting any kind new project. What can be studied from the phrase 'Vastu'? It signifies that Vastu is a perfect perceptive of geography, direction, topography, physics and environment. The world is moving to an advanced stage with modernization and tends to leave back.