Kua rule: Year digit sum → reduce. Male: 11 - yearSum. Female: 4 + yearSum. Reduce again if needed. If Kua becomes 5: Male→2, Female→8.
Driver
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Conductor
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Kua
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SWOT Analysis Planes / Yoga's / Lines
Presence is based on DOB digits + Driver + Conductor (Kua is only a marker).
