The Vedic birth chart in many ways is different from the traditional western charts. In Astrology Of India , astrologers use what termed sidereal zodiac rather than the topical zodiac. The actual position 12 zodiac signs in sky is the base of sidereal zodiac. Where as sun and its rises at the spring equinox is the base of topical zodiac.
With every year passed the point O° Aires moves slightly, one aspect of the phenomenon known as the procession of the equinoxes. The two zodiacs built a difference of 23° over the centuries, for throwing mostly planet into an adjacent sign. Vedic astrologers make a chart based on the birth moments defined as the moment of the first cry of the newborn.
In a person’s chart planets are the most important elements, which were in ancient times acknowledged with less important divinity. In Sanskrit planets are named as graham, that which possesses a person hence planets are seen as representative illusions (maya) of earthly existence that obscure the individual's divine nature.
Each planet has obtained a set of associations and its particular placement in the chart indicates a variety of strengths and weaknesses. Generally, only the ancient visible planets are utilized by Vedic astrologers and thus one will not find Uranus, Neptune, or Pluto, not to mention the asteroids or hypothetical planets that occasionally appear as elements in Western horoscopes.