This question indeed strike to the mind of persons, when they see the practical Aspect of marriage that the newlywed couple when go into the clashes and the question of the marital relationship goes into a big question mark. The kundali or match making becomes the prime aim of seeking the good match, is it compulsory to spend hundreds or thousands on kundali or match making or finding the solutions of the same when we know the marriages are made in heaven and celebrated on the earth. So this question of asking about the timing of the marriage, quality of it and the nature of the spouse often crops up in the mind of the consulter.
If we ponder keenly, then why to bother with the aforementioned processes like kundali making), if the all preveding omniscient God decides the destiny of all. Then why to bother making the kundali? Actually , the answer lies in the karmic patterns. The fixed karma of the previous births can be minimized or maximixed by the power of our deeds, good or bad ones. The efforts put in to finding the right partner relates to our karmas and freewill.
The good karmas have indeed good impact on our future , whereas, the bad karams have bad impact over it. The horoscope or match making largely determines the marital relationship. But matching of 36 points merely does not solve the purpose , as some of the marriages break even with good points and some survive with less points. Various mantras for marriage are posed and These mantras are having very high percentage to give marriage when recited with utmost devotion and sincerity. These mantras should not be mis-used. Minimum 3,000 japaas to 21,000 japaas recitation has given the marriage in 80% cases if the yoga of marriage is present.