In ancient times we use to follow certain rules, while constructing a home or shop but 50 year ago we forgot shastra due to lack of space and flat culture. People started suffering from diseases and financial problems. And vastu shastry used to suggest demolishing a part which is in negative zone. Now here I will explain old vastu shastra name eight directions technology.
North, North-East, East, South, South-East, South-West, West and North-West.