The concept of Vastu Shastra revolves around five basic elements - Space, Fire, Air, Water, and Earth. It is believed that it is because of the presence of these five elements that there is life on Earth. Vastu Shastra can be defined as a Science of architecture, movements, and direction that tries to balance all these five elements so that the life of the person living at that place is prosperous and healthy. All these five elements are co-related to each other in one way or other. A Vastu Shastra expert understands the effectiveness of these elements in a person's life and that is the reason why they mainly focus on the construction of the building in a way where all the life elements are in close harmony with each other.
Vaastu Purusha Mandala is an important part of Vastu Shastra. It constitutes of various mathematical formulas and diagrammatic concepts to generate a perfect design for a building. In Vaastu Purusha Mandala, Mandala refers to a chart or plan using which the cosmos is represented symbolically or metaphysically. On the other hand, Purusha refers to soul, power, energy, or cosmic man.
The origin of Vastu Shastra lies in Hindu Mythology. As per the concept or belief system, there is a principal God or presiding deity for every direction. Following is a brief rundown on which God rule which direction and which aspect of life it influences.
There are various criteria described by Vastu Shastra based on which the choice of a site is determined. Vastu experts recommend square shape for any site. However, rectangular shape is also considered as good. If the person wants to go for some other shape, the Vastu experts first do a thorough soil examination. As per the process of the test, first they dig a hole and then refill the same with the dug soil. This way, they determine the characteristics of the soil and its relation with other four elements. In Vastu Shastra, there are also specific methods to prescribe sites suitable for different castes. All the decisions are based on the study of the flow of energy at that particular place.
The concept of Vastu was initially used in the design of Hindu homes only¸ but because of its effectiveness, it has gained rapid popularity in the last few years that today even Western countries use the concept of Vastu when it comes to construction or renovation of a building.