Seventh House in Horoscope rules a person"s relationships and partnerships, marriage, wife or husband, legal bondage, lawsuits, quarrels, divorce and open enemies. The seventh house is the “house of union or earthy ties”, it mostly means the marriage. Seventh house also relates to problems and disinterest in carnal fulfilment, illnesses of reproductive system, impotence and progeny problems. Besides the life partner, the partner in business and the degree of success achieved through such partnership is also shown by this house. In Vedic Astrology, the seventh house is known as the "Bharyasthan".

Effects of Planets in Seventh House
The planets cause various effects when they are positioned in the Seventh House of the Horoscope. They are mentioned below:

Sun in Seventh House: They are promised success in marriage and in partnerships. Both should bring material, monetary and social benefits. They may not marry young; their spouse will probably be prominent or of good and honourable character. Positively, they are popular and know how to attract people. Negatively, they clashes at times because of their need to be dominant in relationships.

Moon in Seventh House: Security is very important to them in marriage and relationships. Chances are they will marry a parental figure of some kind. Their spouse will probably be protective of them. These people are likely to become popular with the public at some time in their life. Positively, they are responsive in partnerships and sensual in marriage. Negatively, they are changeable in their love relationships; possible divorce.

Mercury in Seventh House: The natives of this house seek intellectual compatibility in marriage and partnerships. They will probably marry someone lively and talkative; verbal give-and-take characterizes their intimate relationships. Business partnerships in law, literary, or communications world are beneficial. Positively, they are sociable, adaptable to all kinds of people. Negatively, they stress in relationships because of quarrels and arguments.

Venus in Seventh House: They look for harmony and fulfilment in both marriage and partnerships. They are affectionate, romantic and popular with the opposite sex. At some point in their life, they are likely to gain prestige or financial benefit through a mate or partner. These people tend to marry early and possibly more than once. Positively, they are a natural peace-maker. Negatively, they are resentful if others do not make the first move toward them.

Mars in Seventh House: These people are a highly independent individual and will not give that up in a marriage or partnership. Their relationships begin impulsively, and they are usually the aggressive one. Mars in the Seventh House indicates that they may marry more than once, or that a marriage or business partnership may end because of the death of partner. Positively, they are ardent and sexually passionate in marriage. Negatively, they argue and quarrel in relationships; possible early divorce.

Jupiter in Seventh House: They are successful in marriage and partnerships, and are likely to gain power and prestige through both. Jupiter in the Seventh House often means they will marry twice and that one of their mates is likely to be powerful or wealthy. During their lifetime, their adversaries often become friends, and conflicts have a beneficial ending. Positively, their legal partnerships tend to be fruitful. Negatively, they are over-generosity and placing their trust in the wrong person.

Saturn in Seventh House: They are cautious about marriage and partnerships, and may delay getting involved until they are sure. These people often marry a widow or widower or someone older than themselves. If there are no opposing influences in their chart, they benefit monetarily or socially through marriage. Positively, they take commitment to another person seriously. Negatively, they may have legal problems and a setback because of them.

Rahu in Seventh House: People with Rahu in this house want to be recognized as an equal. Natives often get involved in a marriage, deal or contract that should not have happened in the first place. Due to the obscure liabilities involved in the partnerships, the native feels dissatisfied and the partnership becomes flawed. These exotic associations also make them susceptible to dangers and hazards. Rahu in seventh house gives anger, dominating and argumentative nature.

Ketu in Seventh House: The native of this house is likely to get a partner of questionable character. Their marital life may suffer a lot of hardships, especially due to health issues to partner. Ketu"s position in this house also suggests that there could be frequent discords, misunderstandings and arguments between partners. There is also a chance that the native may have more than one marriage.