Mars or Kuja is one of the nine planets in Vedic astrology. Fiery by nature, Mars is a functional malefic.
The red planet rules, the sign of Aries and Scorpio. In astrology, it denotes strength, courage, will power, metals, and other sharp objects, strength of the body or bone marrow, anger, passion, brother, etc.
Mars is associated with war, fighting, and power. That is why it is considered one of the most malefic and cruel planets in Vedic astrology. Wherever Mars is placed in the chart, it brings conflict, energy, and power struggles to that house.
Mars represents the warrior spirit, strength, and resilience. At times, it can also make a person appear merciless, because neither of the signs ruled by Mars are connected with emotion or empathy.
In fact, Mars is debilitated in the sign of Cancer. Cancer, ruled by the Moon, is all about emotions, care, and nourishment — qualities that clash with the fiery and aggressive nature of Mars. On the other hand, Mars is exalted in the sign of Capricorn. Capricorn, ruled by Saturn, is about planning, discipline, and structure. In this sign, Mars behaves like a disciplined warrior who acts according to rules, strategies, and direction.
The Sun also plays an important role in guiding Mars. If the Sun is strong, Mars receives clarity of purpose and channels its energy toward meaningful goals. However, a strong Mars combined with a weak Sun can often become directionless, as the raw energy lacks guidance.
Results of Mars in various houses:
Mars in the first house
The first house already has the energy of Mars. It is the house of self. Mars, however, is not considered very auspicious in the first house. The reason being that Mars is a malefic planet and the first house is your physical body and overall personality. Even a strong Mars can give physical wounds and anger issues.
Benefic planets like Jupiter and Mercury are considered good in the 1st house. People with Mars in the first can be very stubborn. These people are goal oriented and don’t like to back down from a situation.
The good part is that they are full of life and energy. They are go-getters.
Mars in the second house
The second house is the house of wealth, family, speech, food intake, and our assets. Here, Mars affects the speech of the native and can make someone harsh spoken.
The native may eat a lot of spicy and junk food. One must monitor their food intake with this placement because it can cause health issues in long run.
Being close to Lagna, this placement also gives anger issues to the native. It is possible that someone in the family has a position in defence, police or engineering. These are the few domains ruled by Mars.
Mars in the third house
The third house is the house of strength will power, siblings, neighbours, communication skills, short travels, basic intellect, etc. This is a good house for the planet Mars. It is because Mars gives strength and willpower to the native when beneficially disposed in the third house. It also gives technical skill to the native.
Being the natural house of mercury in the kaalpurusha kundali , this placement can give good hold on mathematical and communication skills. The person will be good with transactions and paperwork.
Mars in the fourth house
The fourth house is the house of home, comfort, security, mother, nourishment, mental peace and the masses.
Mars in the fourth house can make someone emotionally aggressive, and insecure. This placement depending on the sign can either make someone overprotective of their home environment and mother, or on the other hand, make them aggressive and cause disputes in the family.
The good thing about this placement is that it can provide a good deal of land and property given that Mars or Kuja is called the son of Bhoo Devi (the goddess of land/earth).
Mars in the fifth house
The fifth house is the house of progeny, romance, name and fame, work and action, intellect, past life karma or Purva punya, sports, ancient languages and scriptures.
Mars in the fifth house shows some kind of struggle borrowed from the past life. Health wise this combination may not be the best, but it does give good discipline when it comes to studies and work.
It can make you good at sports. The native may have high inclination towards passionate relationship. If Venus is involved, then the love life can be really rich and full of romance.
Mars in the sixth house
The sixth is the house of diseases, enemies, debts, service, legal matters, pets, etc.
In the sixth house Mars gives you fighting spirit. The native will not go bow down in front of the enemies. They can be courageous and full of strength.
This placement can give good metabolism and physical strength, one can be inclined towards health services or physical exercise.
This placement is also good for technical service, medical line, service related to weapon industry etc. 
Mars in the seventh house
The seventh house belongs to marriage and other legal partnerships. It is the house of people other than yourself. This house indicates how you manage your relationships.
Mars in this house can give you either an overprotective personality when it comes to relationships, or an aggressive approach in managing the same
This placement can give a lot of fighting and disputes with the partner. However, if benefics are involved, the malefic effects of Mars will be balanced.
The good part is that Mars is like a warrior, so you’re fighting spirit lies in protecting or fighting for your marriage or legal partnership.
Mars in the eighth house
The eighth house is the house of secrets, longevity, transformations, sudden ups and downs, unexpected gains and losses, addictions, scandals, occult and mysticism etc. It’s not wrong to say that the eighth house is the most unpredictable and dark house in the chart.
Mars in the eighth house is not the most auspicious placement when it comes to health and wellness. We must remember that Mars is like a warrior and warrior fights for what it seeks. It does not care for personal well-being. The person can get so involved and obsessed with something that he or she desires, that it might take a toll on their health and well-being.
This placement can easily give secret desires and inclination towards taboo activities if afflicted. One must be careful because it can damage personal image.
Mars in the ninth house
The ninth house is the house of luck, prosperity, wisdom, religion, higher learning, journeys undertaken for pilgrimage, ancestors, etc.
Classical texts say that Mars in the ninth house can make the native a sinful person. The reason could be that Mars is a malefic planet and does not work with emotions or logic. Hence, it’s possible that the person may do things that are not aligned properly with dharma/moral values set by the family.
This combination can also make a person a bit orthodox when it comes to following religious beliefs.
Mars in the tenth house
The 10th house is the house of career, status in society, work, and karma.
Mars in the 10th house makes the native work oriented. The native fights hard to build his /her career and status in the society.
People with such a combination can be disciplined and well organised. This is a good combination for career in technical field. If Mars is beneficially disposed in this placement then it can give a good name and status to the native. However, a malefic affliction can give a bad image to the native.
Mars in the eleventh house
The 11th house is the house of gains profits, transactions, logistics, extended family, friends, and relatives for fulfilment of desires, etc.
The 11th house has the energy of both Saturn and Rahu. The Mars goes in this house. It brings both the positive and negative results of this energy exchange. The 11th thousand is the house of desires and Mars also, denotes, passion, and desires, can make a person ambitious
This could be a good placement for career as well, depending on the strength and position of 11th lord. If the 11th lord goes into second, fourth, ninth or 11th from itself, then it’s good, but if the same 11th lord goes into sixth, eighth, or 12th from itself, then it can cause problems in fulfilment of desires as expected by the native.
Most planets sitting in the 11th house generally give a boost to the social circle of the native, but Mars, being a malefic planet may cause dispute in relationship with friends and relatives in this placement.
Mars in the twelfth house
The 12th house is the house of losses, isolation, moksha or spirituality, expenses, bed pleasures, foreign travels or foreign settlement, hospitalisation, mental asylum, etc.
Mars being a fiery planet does not feel very comfortable in the water energy of the 12th house. The 12th houses is also the house of subconscious mind. A malefic planet like Mars going in 12th can disturb the peace of mind of the native.
The native may lack the strength to fight or confront a situation, and yet can get affected by it. This can lead to sleep deprivation and various level of mental issues.
The native can be in professions related to hospitals, mental asylums, jails, law, import, export, etc. It is possible that they find posting in places that are secluded and far from any luxury.
These are some generalized results of the placement of Mars in different houses.
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