You must be a Post graduate in Mathematics if you want to learn to find out whether a planet is benefic or malefic and what is its strength. And you have to learn the fundamentals of astrology and how to calculate the shadbalas, bhavabalas, residential strength and Ishta and Kashta Phalas which will take months to understand. Read my blog navagrahastro.blogspot.in and come through Paid Services if you are interested to your horoscope evaluations.
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