Number 7

Your Ruling planet is Neptune (Ketu), which is the karaka of intuition, spirituality, investigation, long travels and philosophical mindset. No. 7 persons are restless in nature. They love change, and it's difficult for them to sit at one place for a long time. They are fond of travel and are keenly interested in visiting and reading about foreign countries. They are investigative personalities, always seeking truth. Whatever their profession may be, they sooner or later will develop a deep interest in the subjects of philosophy, spirituality or occult.
They have good ideas about business, but they usually aren't able to carry them out. They are the most introverted personalities at heart but are very well capable of acting otherwise. They need their own privacy and me-time to re-energize themselves. As a rule, 7s experience excessive sweating in their bodies.

On the negative side, Ketu may create indecisiveness and illusions in their life. They may become depressive, aloof and distant from their loved ones. The challenge for no. 7s is to be open enough to allow others into their emotional space.

Ruling planet- Neptune (Ketu) 

Lucky colors- Green, pale shades, and yellow. Avoid dark colors as much as possible.

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All the above traits are general. Every person has a customized set of traits tailored to him/her based on their full date of birth and other factors.