It is aimed at inducing the positive vibrations inside a room and banishing the negative vibes. The plot chosen for your office should have square or rectangular dimensions. Also, the office should be far away from Hospitals, Graveyard or Temples. Office employees should not be seated below the beam. The managers should have rectangular desks.
Vastu shastra primarily deals with 5 elements: Earth, Water, Air, Fire and space. It gives guidelines for construction of rooms and placing of objects at specified directions inside the building. They are aimed at providing a happy and prosperous life for the building occupants. However, it is entirely upon the discretion of owners to follow them.