Divide the square shape into nine equal parts, explains the significance of eight compass directions. Eight Vasus rule these eight directions. The Lord Brahma as lord god of ether (the heights) and the Lord Vasuki as lord deity of paatal (the depths), the ten deities are described ten dikpalas. Classical proponents of Vastu Shastra suggest different directions for different activities. All these allocations of space is based on the movement of the sun, air, and earth, qualities of that particular direction, rainfall, topography, seasons, and space utilization.
East (Poorva) Direction
The East direction is the direction of the rising sun. Indra is the directional lord (dikpala) and Sun planetary lord of east direction. East gives power, position, and prosperity. Four out of 45 demi-Gods - Indra, Aditya, Satyak Aryak occupy the eastern sector.
Southeast (Aagneya) Direction
South-East is the place of lightning and fire. Agni (fire) and Venus are the directional lords and planetary lord of SouthEast (Aagneya), respectively. It is origins fulfill, fire, heat, and light, which are the purifying quality. Seven demigods- Bhrsa, Antriksha, Agni, Pushan, Vitatha, Savidra, and Saavindra occupy the Aagneya Disha
South (Dakshin) Direction
It is the place of hot rays of the sun. Yama and Mars are respectively the directional lords and planetary lord of South direction. South showers unbearable heat in the summer season and thus should be kept closed. Four demi gods - Brihatkshat, Yama, Gandharva, and Vivasvant own the south.
Southwest (Nairritya) Direction
Southwest is the direction of radio-active infrared rays of the midday sun. Our Pitar (forefathers/ancestors) and Rahu are respectively the directional lords and planetary ruler of direction mentioned above. It supplies poison like rays of the sun and is always recommended to retain high, heavy, dark, and closed. Out of Seven of the forty-five demi deities Bhringraja, Mrsa, Pitar, Dauwarik, Sugreeva, Indra, and Indrajaya hold the southwest area.
West (Pashchim) Direction
It is the direction of setting sun. Varuna and Saturn are respectively the directional lords and planetary lord of this direction. It gives natural light till late hours. Four demi gods - Pushpdanta, Varuna, Asura, and Mitra occupy this sector.
Northwest (Vayavya) Direction
It is the direction of fresh wind’s entry. The directional lords of this direction is Vayu (the air lord) and Moon is and planetary lord of Northwest. It supplies pure air, the most excellent purifying agent of nature. Seven demigods - Shosha, Roga, Vayu, Naga, Mukhya, Rudra, and Rudraraja occupy this sector.
North (Uttar) Direction
North is the most cooling direction. Kuber is direction lord of the North, as well as Mercury, is planetary lord of North direction. It bestows health, vitality, prosperity, and wealth on the occupants. Out of Forty-five, four of the demigods - Bhallata, Soma, Mrega, and Bhudhar occupy this area.
Ishaan (Northeast) Direction
Northeast is the most divine zone. The directional lord of this direction is Ish, and the planetary lord of this direction is Jupiter. It provides the most utmost benefic ultraviolet rays of the sun, which possess healing abilities. Seven out of forty-five of the demigods hold this sector are- Aditi, Diti, Ish, Paijanya, Jayanta, Aap and Aapvatsa.
Akash is also named oordhava or upward direction. It is an enormous space enclosing us. The directional lord of Akash is Lord Brahma, and the planetary lord of this direction is Jupiter (lord of expansion). Aakash provides the power of the word and controls all the communications between the mortal and immortal worlds.
Below Earth (Pataal)
Pataal is also named adho or downward direction. It is the mysterious depths of the earth. Vasuki, who is the king of cobras, is the directional lord of Paatal. Saturn, the lord of darkness, is deemed the planetary lord of dark depths. Paatal gives a solid foundation for the building. Laziness, lethargy, inactivity, sleepiness, and solidity are the chief characteristics of paatal.