Jyotish shastra is an essential ingredient of vedanta; consequently it is also taken in the account as the vedic astrology. There are noteworthy dissimilarities among vedic hindu astrology and western astrology; yet, the most important dissimilarity moves toward with the concept of using zodiac signs. While the previous uses sidereal system or eternal or static zodiac symbols, when the later on regards as tropical structure or vibrant or shifting zodiac signs.

Vaastu is the science of direction that combines all the five elements of nature and balances them with man and materials. It is all about the interaction of various forms of best effect on a living person. It aims to create a subtle conducive atmosphere in a structure in which we can bring the best in ourselves, thereby paving the way for enhanced health, wealth, prosperity and happiness in an enlightened environment. Like any other science, vaastu is universal, rational, practical and utilitarian. It is not a religion but a science.

The principle laid down in Vastu Shastra were formulated keeping in view, the cosmic influence of the Sun, its light and heat, solar energy, directions of wind, the moon position, the earth's magnetic field and the influence of cosmos on our planet. The system is an admixture of science of directions, astronomy and astrology.