Horoscope matching in Tamil Nadu is called by different names such as Thirumana Porutham or Jathaka Porutham. The following are the 10 poruthams considered for match making in tamil :-
As per the astrological dictum saying "Dinath Ayushyam Aarokyam", the presence of Dina Koota agreement ensures that the husband and wife remains healthy and free from diseases and will enjoy all comforts of life.
As per astrological dictum "Sobanam Ganam Evacha" this compatibility represents auspiciousness and its presence denotes good sexual compatibility in married life. It is a matching of the temperament and human minds also.
As per the astrological dictum "Mahendhram Puthira Vrithisyath" the compatibility ensures good progeny i.e. children in a larger measure.
Stree Deerga porutham
As per the astrological dictum "Stree Deergath Sarva Sampathha" this compatibility ensures accumulation of wealth and all round prosperity.
As per the astrological dictum "Yonitho Dhampathy Sneham" the presence of Yoni porutham ensures sexual compatibility.
As per the astrological dictum "Rasinam Vamsavirithi Kiruth" Vamsam means clan or dynasty. Vrithi means growth. So the presence of Rasi porutham in a jathaka porutham ensures the continuation of one's family through the birth of a son.
Rasi adhipathi porutham
As per the astrological dictum "Santhanam Rasiythipathy" the presence of this porutham ensures santhanam or progeny. Elders also opinion that santhanam does not merely mean progeny or puthrabagyam, but noble children with yogam.
As per the astrological dictum "Vasyath Anniyonnia Vasyaham" it is believed that the presence of this jathaka porutham assures mutual love and attachment.
As per the astrological dictum "Rajju Mangalya Vrithysyath" the presence of this jathaka porutham ensures "Deerga Mangalya Balam" i.e. living happily with the husband for a long time. It is considered the most important porutham among the 10 poruthams and it ensures long life for the husband.
As per the astrological dictum "Vedhaya Sohanasanam" vedha means affliction and the presence of this porutham wards off all evils and pitfalls in married life. A happy and prosperous married life is assured as a result.
For thirumana porutham the main poruthams considered are dinam, ganam, yoni, rasi and rajju. Among these rajju porutham is very important and even if all other poruthams are positive, still if rajju porutham is bad then the marriage matching is rejected. Gana porutham is important for kshatriyas, rasi porutham is important for vaishyas, yoni porutham is important for shudras and rajju is important for all castes. If rajju porutham is not present then irrespective of castes the matching should be avoided.
Finally, here is a piece of advice for the parents of the boys and girls. It is their duty to consult only experienced and knowledgeable astrologers as otherwise the marriage of their wards may result in a fiasco. This has been observed in several cases where parents had given wrong information and the marriage failed, bringing doom to the boys and girls and also to the parents.
Apart from these the astrologers also looks into other factors like Kalathra dosham, Kuja(Chevvai) dosham, rahu/ketu dosham and dasha sandhi as important parameters which matching of horoscopes. Dasha sandhi is given more importance mainly in kerala and in other parts of india it is not considered important. In tamil horoscope matching system dasha sandhi is not considered very important by scholars. To avoid discord and to ensure a happy married life many factors are to be considered. Good longevity for both, physical fitness, mutual attraction, sexual compatibility, heredity, social and economic status are to be examined and assessed.