Grah Maitri 8.
There are two distinct group of planets. Both the groups have the feeling of enmity towards each other. For example Jupiter belongs to one group while Venus is the member of the other group and both are considered to be the enemies of each other. In the same manner it is seen in this matching whether the Rashi lord of both the boy and the girl belong to the same group or have enmity between them. In Ashtakoota Milan Grah Maitri is considered very important because it wards off many ill effects of match making.
Grah maitri is friendship of Moon Rashi lords. From this factor also, assessment is made of the nature and temperament of the prospective girl and the boy on the basis of the mutual relationship of the Moon Rashi lords of the two and points are given to measure the extent of good or bad relations. If there is friendship between the lords of Moon Rashi Lord of both the girl and boy, then full 5 points or gunas are allotted. If they obtain 5 points, it means that the married life of the couple will be happy and their relation will be cordial. Similarly, the lesser number of gunas or points indicate the decreasing amount and proportion of attraction, love and attachment between husband and wife. The Rashi where Moon is posited at the time of birth and its lord i.e Rashi and Rashi swami denote the nature of the individual. Moon represents mind. So, the mental disposition and the nature of an individual largely depend on the Rashi in which Moon is posited at the time of birth. There are two types of Rashis : even and odd. Even Rashis are gentle or mridu while odd Rashis have a bit cruelsome nature. However, nature of the Rashis depend on several other factors as well. Rashi lords also play significant role in shaping up the nature of the Rashis. For example, Aries Rashi has the influence of its lord Mars also. So, it is courageous also side by side with its cruel nature. So, the individual having Moon placed in Aries Rashi will have the element of cruelty along with his courageous nature. Though it depends on several other potent factors in horoscope as well.
While matching the horoscope of two individual of opposite sex for marriage, Grah-Maitri determines the elements of friendship or enmity between the two on the basis