The anatomy of Vedic compatibility calculations.
Vedic matchmaking (Guna Milan) is built on the Ashta Koota system, which evaluates 8 distinct parameters (Kootas) based on the Moon's placement at birth. The total maximum score is 36 points (Gunas), with 18 being the threshold for compatibility.
The 8 Kootas Point Weights
Each Koota carries a specific point weight: 1. Varna (1 point: spiritual/ego profile), 2. Vashya (2 points: mutual influence/attraction), 3. Tara (3 points: health and compatibility of life-paths), 4. Yoni (4 points: intimate harmony and animal-instinct matching), 5. Graha Maitri (5 points: natural friendship of Rashi lords), 6. Gana (6 points: temperament match — Deva/Divine, Manushya/Human, Rakshasa/Intense), 7. Bhakoot (7 points: relative house distance of Moons, measuring financial and family alignment), 8. Nadi (8 points: physiological and genetic matching).
Manglik Dosha (Kuja Dosha)
Manglik Dosha occurs when Mars is placed in the 1st, 2nd, 4th, 7th, 8th, or 12th house of a birth chart. Because Mars represents drive, passion, and fire, these placements can create friction in marital houses. However, a 'Manglik' chart is not a curse. There are numerous traditional exceptions: if both partners are Manglik, the energy balances out. Furthermore, if Mars is in its own sign or exalted, or strongly aspected by Jupiter, the Dosha is considered cancelled (Kuja Dosha Bhanga).
Nadi Dosha Cancellation Rules
Nadi is the single most important Koota, carrying 8 points. It measures the fundamental humor (Vata, Pitta, Kapha) of the individuals. If both share the same Nadi, it causes Nadi Dosha, indicating potential health or childbirth complications. However, Nadi Dosha does not apply if: 1. Both partners have different Nakshatras but the same Moon sign, 2. Both share the same Nakshatra but have different Moon signs, or 3. They share certain benevolent Nakshatras (like Rohini, Arudra, Jyeshtha, Purva Bhadrapada) where the Dosha is naturally neutralized.
