What is Nadi Dosha ? What is Naadi Dosh ?

As per Indian Astrology there are three different Nadi/s Adya, Madhya and Antya and they represent "Prakriti" of an individual that is his/her body constitution. As per Ayurveda there are three different Prakriti/s, vz Kaph, Vaat and Peetta. If nadi of the girl and boy is same it is called nadi dosh. [ if both Nadis falling under and same charan, then check Triparva Nadi Chakra for detail calcuation (This table is given in Janmabhoomi Panchang Praveshika) if Nadis falling under and same charan then only it is Called Nadi Dosh, but if it is not fall Nadis falling under and same charan then it is not called Nadi Dosh.]

Nadi dosh is indicative of outward physique, internal metabolism and heriditary factors.there are three Nadis in which a native can born. If compatibility is found with regard to this category, the full 8 points are given. 8 point compatibility based on the Nadi in horoscopes indicates excellent results in this regard.
Nadi Dosha means proposed husband and wife are having same Nadi that is having same Prakriti indicating that they should not consider their marriage favorably because their offspring/ s will be physically weaker. If Nadis of proposed husband and wife are different it is only then marriage is recommended so they may have physically stronger children.