Orientation of a building is important to save energy and to build a better house design, which would be comfortable for living simultaneously gives positive energy, good health, prosperity and wealth to the occupants. A living place and its direction have a correlation between the rotational scenarios of the planets with respect of north.
There are total eight directions North, South, East, and West are called cardinal directions and the point where any of the two directions meet is called intercardinal or ordinal point like NE, SE, SW, NW. These directions are given a lot of importance in Vastu Shastra as they combine the benefits of two directions in totality.
Our Shastra says if we worship, idolize and honour the Lords of these eight directions, people yield eternal blessings in the form of success, health and prosperity. We will now examine their importance according to scriptures.
East: This direction is governed by lord Indra and he is known to be the king of Gods. He bestows wealth and pleasures of life.
South East: This direction is governed by lord of fire- Agni. He gives us good personality and all good things of life. Fire is a source of health as it is related to fire, cooking and food.
South: This direction is of Yama, the god of death. He is manifestation of dharma, and eradicates evil forces and bestows good things. It is a source of wealth, crops and pleasure.
South West: This direction is directed by Niruti, the god who protects us from evil foes. It is a source of character, demeanor, case of longevity and death.
West: This direction is directed by Lord Varun, the lord of rains. He bestows his blessings in the form of natural water-rain, brings prosperity and pleasures of life.
North West: This place is directed by lord Vayu and he brings on us good health, strength and long life. It is a source of change in course of business, friendship and enmity.
North: This direction is governed by Kuber, the god of wealth.
North East: This place is a supervised by lord Eeshaan, and is a source of wealth, health and success. He brings us wisdom, knowledge and relieves us from all miseries and mishaps.