Vasthu Purusha and the Eight directions

Once he receives the ownership of the property, Vasthu Purusha rules the property through the rulers of the eight directions.
They are
1. East :
King Devendra is the authority of the east. This direction is very important for Sun salutation etc, because of Sun rises from the east. In astrology, east is given to the Sun. Also, the astrological signs Mesha(Aries), Simha(Leo), and Dhanu(Sagittarius) are allotted to this direction.

2. South East:
This direction is also known as Agni (fire) direction. Fire God is the authority. In astrology, this direction is allotted to the Moon.

3. South:
This direction is allotted to the Lored Yama (king of death). In astrology, this direction is allotted to Kuja(Mars).

4. South West:
Lord of the asuras(demons), Niryathi Deva is the owner of this direction. In astrology, Budha ( mercury) is ruling this direction.

5.West:
Varuna Deva(Lord of water) is the lord of this direction. In astrology, Guru (Jupitor) is the authority of this direction.

6. North West:
Owned by the lord of Air (Vayu), this direction is ruled by Sukra (Venus) in astrology.

7. North:
Lord of Richness( Kubera) rules North side. In astrology, Saturn rules this side.

8.North East:
Known as Eesana dikku, this side is ruled by Iswara ( also called Gangadhara and Mrithyunjaya). According to astrology, Rahu rules this side.
Head of Vasthu Purusha is at this corner, and his feet are at the Niryathi kone (South West corner).