Divisional charts do NOT have houses nor Signs.
Divisional charts cannot be derived from a Placidus or Non-Equal House system.
Divisional charts has NO lordship.
Divisional charts do not have exaltation or debilitation.
Divisional charts do NOT have Drishtis.
Divisional houses should NOT be interpreted like Lagna or D1 or Rashi chart.
Divisional charts or Amsa chart is a particular feature of the D1 chart. Period.
For example, Navamsa or D9 is a division of each house of D1 into 9 parts.
The parts are DISTRIBUTED to different “Houses”. That is it. Period.
Proof: As such the PARTS DO NOT become the WHOLE. So it stays as a part or Amsa.
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Courtesy : Google Images
But how to read the Amsa chart, and that, can be done, only by, erudite Astrologers.
It takes math and intuition to read Amsa charts, to know the meaning with respect to D1 chart.