Gana koota
Gana koota is the sixth Guna Milan factor, worth 6 points. Each nakshatra has a temperament (gana): Deva (gentle), Manushya (human) or Rakshasa (intense), and the two are compared.
Also known as: Gana kuta, Gana milan, Ganam porutham
The 27 nakshatras are divided equally into three ganas of nine stars each. Deva gana is described as gentle and idealistic, Manushya as practical and balanced, and Rakshasa as independent, strong-willed and intense. Rakshasa here does not mean “demon” in a moral sense; it describes a forceful nature.
The same gana scores the full 6 points. Deva with Manushya scores 5 or 6, depending on who has which; Deva with Rakshasa 1; and Manushya with Rakshasa 0. Classical sources vary slightly, so scores can differ by a point between reports.
A low Gana score is called Gana dosha. Many astrologers set it aside when the two Moon-sign lords are friends or when Bhakoot is favourable. It points to differences in temperament that a couple can understand and work with.