Positive energy is beneficial and negative is harmful.Vastushastra aims at maximising the generation and accumulation of positive energy around the humans and minimise the negative energy.
This is done by ensuring the abundance of the following :
Energy concentration of different shapes and forms by using proper positive material.
The proper alignment of the rooms with proportionate sizes harmonizes the energies and it gives peace of mind to those who live in that premises.In short vaasthu harmonizes the cosmic forces and makes life pleasant to live.
The temples in India that have seen more than 1000 years still stand undaunted as a marvel in architecture. The technology adopted by the ancient architects is amazing. It is impossible to erect such architectural beauties even with the help of today's modern technologies. Almost all the Hindu temples that were constructed in India several centuries ago were constructed acording to the principles laid down by Vasthu Shastra.