Mars is the planet of energy, thus it is prone to easily agitation, rivalry, and aggression. We don't want our marriages and love relationships to come into contact with that kind of thing too often, do we? Naturally.

Since the 7th House serves as the focal point for these connections, "The Stain of Mars" may manifest when Mars is in a position to directly impact the 7th House. Houses 12, 1, 4, 7, and 8 bhat puja Ujjain are among those from which Mars can directly influence the 7th House. As you can see, that is a staggering number of houses. Mangal Dosha should consequently be present in more than a third of people.