According to the ancient literature, there had been eighteen originatots, teachers and preachers of Vastu:

Basically Vastu shashtra help determine following:

• Selection of suitable land for contruction of House/Business or industry.
• Effects of each direction and corners on our life.
• guidence on placement of household items and business materials
• Information on magnetism and its effect on our living.
• Details on Vashtu Purush - defining living organisum - the earth.
• Shapes of land and their effect.
• Slops within house/land and their effects.
• Effects of Vastu on land owner and his/her family.
• Details of placement of Doors and windows etc.

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