Porutham in marriage involves the comparison of the birth star and rasi of the boy and girl to find their level of compatibility and to ensure their happy and long life. There are 10 components for marriage porutham-matching. If the number of porutham is greater, the compatibility of the couples will be better.
The level of compatibility is stated as uthamam, madhyamam and adhamam as per their match. Dina porutham, gana porutham, rasi porutham, sthree dheerga porutham, Mahendra porutham, yoni porutham, rashyadhi porutham, vashya porutham, rajju porutham and vedha porutham are the ten categories of compatibility. The compatibility level of these ten categories is being analysed based on the horoscope making and lunar constellations(nakshatras) of the boy and girl.