Rahu is treated as one of the most Malefic Planet in Vedic Astrology. 8th house is also a Negative house in Astrology. So Placement of Rahu in 8th house is mostly not considered good. But we should always consider that every placement bring both positive and negative result.
Rahu as a Planet
In western Astrology Rahu and Ketu are termed as North Node and South Node. Some time they are also called as Dargon head and Dragon Tail. As Per Hindu Mythology There was a Demon Known As Swarbhanu. During the time of Churning of Ocean he took the Nectar along with God but when Lord Vishnu became aware of it, he severed the Head. But as he has already taken few drops of Nectar he became immortal. The Head portion is known as Rahu and the Res of the body is known as Ketu. In Astrology they are actually two Points. The Orbit of Moon intersects with the Orbit of Earth in two places -one inter sectional Point is known as North Node or Rahu and the other inter-sectional Point is known as South Node or Ketu. The influence of these two points are so high that they have been taken as a Planet in Astrology.
Rahu is known as shadowy planets or Chaya Graha. It represents Mlecha or anything which is against Social Norms. It is a Great Manipulator. It represents Maya or illusion. It is a Highly Materialistic Planet and In Kaliyuga it is very important planet for Materialistic Success and Growth. Film star, Politicians, Magicians etc always enjoys the blessings of Rahu.
Read: Result of 7th house Rahu
The Significance of 8th House
The 8th house is a Negative House. It is also Known as Dusthana House. It is a house of transformation and hidden secrets. Any Planet posited in this houses looses its beneficial energy. 8th house Rules over Death and longevity, Research, Secret Relationship, Delay and Obstacles, Sustenance of Marriage, Sudden Gain or Loss, Inheritance etc. In a Female Horoscope 8th house is also known as Mangalya sthan or Longevity of Husband. But it is the most mysterious House of Zodiac. If it is Very Strong and is occupied by benefic and good planets it can bestow a person grand Success. It is Very Difficult to understand the result of 8th house because the result is mostly Sudden and unpredictable in Nature. If Lord of any other negative House like 6th lord or 12th lord occupies the 8th house, it creates a Vipreet Raj Yoga. So complete Analysis is required to understand the actual effect of Planets. No one Should jump into any conclusion quickly seeing any malefic planet in 8th house.
Effects of Rahu in 8th house
The Placement of Rahu in 8th house is not Considered Auspicious. It is a Difficult Position. As 8th is house of Hidden energy, it is Very difficult to understand what kind of Result Rahu will deliver in 8th house. We should always remember that being a Chaya Graha, Rahu and Ketu gives result as per the planets they are conjunct with or aspected by or in the Nakshatra. But Overall 8th house Rahu has not been considered good by anyone. It will give Many Physical problem and Trouble. You can engage with many enmity, quarrels and may face some humiliation. Sometime it also give defamation and humiliation.
You may have to spend Money unnecessarily on Court case or litigation. Your family life or Married life will be adversely affected. This is not a Good Position for Marital Happiness. There can be problem with In laws and bitter excahnge of words with In Laws is possible. In a female Horoscope 8th house from not only from Lagna but from Moon also should be free from Malefic Influence. Along with Rahu if More malefic Planets like Mars is placed in 8th house of a female Horoscope, it can give widowhood.But if Jupiter aspects such combination it will protect the Marriage.
You can also face problems from Servants or employees. If you have Rahu along with Mars and Saturn in 8th house you will be prone to Accidents and injuries. If the Lagna Lord and Lagna is weak, it causes Balarishta. Any New born baby with Such combination will face health trouble in the initial years. The Placement of a Malefic planet in 8th house sometime causes Sudden and painful Death. Sometime it also causes unnatural Death. But death and Longevity analysis need thorough examination of Horoscope. No conclusion should be drawn with only placement of Rahu in 8th house. Other Divisional Chart like Navamsa, Drekkan etc is also very important.
While Analysing the Result of Rahu in any House we need to understand that Rahu gives the result as per the condition of the owner of the Sign. So if the 8th Lord is well placed and in a Good dignity, Such Rahu will not give any Serious Malefic Result.
Rahu in 8th house can give Financial Gain in its Period. If it is also connected and influenced with 5th house it can give gain from Speculation and Share market. It is a good placement for Secretive work like detective, Investigator etc. If it is also Favorable for any kind of Research oriented work. As Rahu gives the ability to think out of the box and in a innovative way. But Such Rahu should be influenced by Benefic Jupiter, Venus or any other Yogkaraka Planet to give Such beneficial result.
Now Lets Discuss the Result of Rahu in 8th house for different Signs
Aries: Rahu in 8th house in Aries is not Good as Aries is ruled by Mars which is a enemy planet for it. Rahu in the Sign of Mars in a house that represents Accidents, injuries, Surgery etc can give you trouble from these in unexpected and Sudden manner. Rahu in Ashwini Nakshatra will give most Malefic result. When Rahu occupies the Aries Sign in 8th house specially in the Star of Bharani or with Venus it can make you Passionate about Love and Romance. You can go to any extent for Love. If this Rahu is connected with Sun or if it is in Krittika Nakshatra, it will be detrimental to well being of Father. But if Mars is well placed, the Malefic Influence will be much reduced.
Taurus: Rahu in 8th house in Taurus Sign is not very Bad as it is the sign of venus which is a Friend of Rahu. Some people also consider Taurus as the Exaltation sign for Rahu. It can give Poor conduct to you. Venus is the Planet of Materialistic Urge and Passion. Rahu will amplify that Passion within you and as 8th house is a Negative house, you will always look for Pleasure and Luxurious life. You may not even hesitate to waste your wealth on this account. If this Rahu is afflicted, it can give you trouble from Insurance, Finance etc. But Rahu in the star of Rohini can give you benefit from overseas journey.
Gemini: When Rahu is in 8th house in Gemini Sign, it becomes exalted. But it can give instability of wealth. It will also be difficult to diagnose disease. As it is a Sign of communication, it can give you a tendency to manipulate and you will also face problem and difficulty due to this. But many results will depend on the Position and dignity of Mercury.
Cancer: The Placement of Rahu in Cancer Sign in 8th house is not good a Position as it is ruled by Moon which is an enemy planet of Rahu. Rahu in Cancer specially in a Negative sign like 8th house can give you habit of drinking. This is also not a good Placement for Mother. Your mother will be always worried about you. The 8th house indicates Sin and Cancer is all about Mind. So this Placement can give you Stressful Mind. But the Strength and dignity of Moon will alter the results.
Leo: Rahu in 8th house in Leo is better than Cancer. Leo is the sign of Fame, power and Authority. Rahu is amplification, Maya and illusion. So if this Rahu has got beneficial aspect and the condition of Sun is also good, it can make a person Politician, Film actor, Photographer etc. It will bestow lot of Fame and Authority to you. But if it is not well aspected, it is not a good position. It will create misunderstanding with Father, Seniors in Workplace etc.
Virgo: Some People consider Virgo as own sign of Rahu. It is the house of details and thoroughness. It will give you good ability to do research. If Rahu is conjunct with Saturn in 8th house in Virgo, it can give health problem. The health probelm will not be easy to diagnose. But if Mercury is well placed the ill effect will be much reduced.
Libra: Rahu in 8th house in Libra Sign is comparatively a better placement as the ruler of Libra is Venus which is a friendly planet to Rahu. It can give you Love relationship outside of your own caste. But it can give you Sudden outbursts of Anger. If Rahu is in Chitra Star, you can have relationship abroad. It will make you interested in acquiring wealth and Money. Luxurious living standard and pleasure will be on your priority list.
Scorpio: When Rahu is in Scorpio sign in 8th house, it becomes weak. Some people also consider Rahu debilitated in Scorpio. It will make you very Rigid and inflexible. If this Rahu is in Jyestha Nakshatra, it can give you trouble from Maternal Uncle.
Sagittarius: when Rahu occupies Sagittarius Sign in 8th house, it becomes debilitated and Weak. It will not be good for wealth. In case of any Foreign Journey, you will not get Satisfactory result. This can make you indecisive. Rahu in the star of Sun in Sagittarius sign can cause heart problem.
Capricorn: Now lets talk about the result of Rahu in 8th house in capricorn Sign. Fo Gemini Ascendant Capricorn becomes the 8th house and Rahu is in a Friendly Sign. It will not be a bad placement if Saturn is well placed. But it can give you some delay in your career. It can also give you traveling due to Work. If Jupiter is also placed in Capricorn with Rahu, it can give a Bad Marriage life and delay in Marriage.
Aquarius: Many People Consider Aquarius as the Mool trikone Sign of Rahu. So Rahu is quite comfortable in Aquarius. So though 8th house is a negative house, but still Rahu in 8th house in Aquarius sign will not give much Malefic result. If Rahu occupies its own Nakshatra Satabhisha it can give you better Success. If Rahu Occupies the star of Jupiter it can give you Success in Foreign Land but can give you health trouble to Father. Rahu in Aquarius is most Problematic in Dhanistha Nakshatra because it is owned by Mars. 8th house Rahu in Aquarius can give you inherent Ego and Arrogance.
Pisces: When Rahu Occupies the Pisces Sign in 8th house, You can have fear from water or drowning. Pisces is not a Materialistic Sign. So Rahu becomes Weak in Pisces. It is not good Longevity. It can also give you Judgemental tendency and you will come into conclusion very quick.
Rahu in 8th house Remedies
You can perform the Remedies for 8th house Rahu.
Keep a Square Piece of Silver
When Rahu Occupies your 8th house, do not cheat anyone.
Try to keep your relationship clean with In-laws.
Avoid Staying in South Facing house.
Worship Mata Durga Daily. Mata Durga is the deity of Rahu.
In general this is not an Auspicious Position. It generally gives a chronic health issues. But if the Dispositor of Rahu is well placed, it can give you a Good Result.
I have given Some information about the effect and Remedies of 8th house Rahu. If you think i have missed anything please do comment.