As per Indian Astrology Ruby is a Gem of Sun. This is worn in the ring finger. If you wear Ruby your social circle improves. You get high rank and prestige. If Sun is situated in 4th, 8th or 12th house in horoscope the person should wear Ruby. But see other aspect also. Like Sun should not be powerful.
For Aries, Leo, Scorpio and Sagittarius persons Sun is auspicious, they will get good results if wear the gemstone Ruby. Virgo Capricorn and Pieces should not wear Ruby.
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