What is Kundli matching for marriage?

What happens in Kundli matching? During Kundli matching, the horoscopes of the bride and groom are matched to ascertain whether their married life will be happy and successful. If 18 or more points match, it makes a good marriage and if the matches are below 18 points, then the marriage is not approved by astrology.

Why is marriage delayed?

MAJOR REASONS FOR DELAY IN MARRIAGE 7th house lord is weak in any case, viz- retrograde, combust or debilitate. Venus/Jupiter is weak in horoscope. Malefic planets combined with Saturn (like Mars, Rahu) aspects 7th house. Saturn and Mars have a combined influence on the seventh house.