This is the basic question which originate in minds of ignorant Hindus, even I would like to know about it.
Astrology is a universal science the oldest science existing on the globe practiced by real humane.History of Astrology : Astrology was started as the study of the “swanning” stars, or planets, as we know them today. It is in reality the study of cycles, indicated by movements of celestial bodies and associated with energies and events occurring at the same time on Earth.
Astrology is study of science in accordance to humans horoscope. As per planet positions human mind faces negative and positive effects. -------------------------------------------------- spiritualsadhana
Indian Astrology, called the Jyotish. It is one of the most time-tested and oldest systems of astrology in the world. In Western countries, it is called Vedic astrology, which refers to Indian or Hindu astrology. It is based on the date, time and place of birth, because it is unique details of every single person.