In Vaasthu Shastra, the most important aspect is the selection of site. The soil is to be tested for its compactness by digging one cubic feet of earth and filling back the soil. If some soil is remains after filling the pit then the site is said to be good. This means that the soil of the site is compact and not loose. By this test, the strength of the soil is known which guarantees more stability of the building constructed.

Sites with cracks and too many rat holes are unsuitable for construction. Sites with cracks caused due to tremors are to be totally avoided. Excessively windy areas, land near cemeteries, mortuaries, market places, public places like a panchayat where people assemble, land belonging to temple, land where the shadow of the gopura of a temple falls, land where the shadow of big peeple tree falls, land near river beds and lake beds, land near any temple, land where immoral activities are carried on are prohibited for construction.

Vaastu Shastra dwelt upon the need for tranquility of inmates while constructing residential buildings. Today, people residing next to wedding halls, schools and colleges suffer as they are subjected to noise pollution.

Shape matters

Vaasthu Shastra categorises land as suitable and unsuitable as per the shape of the site. Houses should not be built in triangular, circular,scissor-shaped plots which cut across streets and fan-shaped sites. The owner will lose his tranquility if the site is irregular and shapeless. Rectangular sites, in which north and south portions are longer than east and west, are good.

Sites with east and west sides longer than north and south, are considered second grade yet suitable for construction. Square plots having equal sides are the best and bring all types of prosperity in a well balanced manner.

If north-east corner is longer than the south-east corner, there will be prosperity and growth in financial matters. Here, one should take the diagonal of the site and measure the diagonals from north-east to south- west and from south-east to north-west. The effects are caused by the geophysical energies,which in turn are caused by the magnetic field surrounding the earth. If the house is not constructed as per the rules, there will be disturbance in the house due to the variations caused in geophysical energies.

Vaasthu Shastra dwells on inducing proper energy levels in buildings for the welfare of mankind. These energies are felt and experienced like a magnetic field with the house as the core centre.