Can we know our spouse's lagna, rasi, etc., by looking at our birth chart or Navamsa? If yes, then how? - Quora
Astro Anonda - Navamsa chart (D9 chart) in Vedic Astrology.(Collected) In Vedic Astrology the Navamsa or 9th Harmonic chart (D9 chart) is said to be a microscopic view of the 9th House
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