Best Gemstones for Health, Finance, Education & Competitive exams, and Success in Career. Recommendations are based on Planet’s Position in Birth Chart & D-Charts, Rashi Element (Tatwas), Lordship, Dasha, and Power. Authentic and Effective Vedic Astrology Substitutes and Alternative Remedies. Auspicious Weight, Shape, Colour & Clarity of a Gemstone for Astrological purpose. Rules & Regulations for wearing a gemstone.