"Mars in 3rd house will make you brave and famous. You are a patient and courageous person. You are a physically healthy and intelligent person but this position on Mars can also make you somewhat bitter-spoken. This position of brothers and especially younger brothers. It also indicates that you may get into some trouble. Your relationship with your younger brother may not be very good.
You will become rich with your muscle power. This position of Mars can sometimes give you problems related to ears or arms. You will also need to control your anger otherwise you may turn violent. You will get less cooperation from neighbours or subordinate employees, as well as your dispute with them, is also possible.
You may be interested in becoming a chemical or mechanical engineer or you may take up a job where weapons are worn. Your father's nature may be somewhat angry and rude. They may face loss of money and separation. However, your father will continue to litigate and win over enemies."
Mars is a cruel planet in astrology. It is a very influential planet for human life. Due to Mangal Dosha, people face difficulties in marriage. Its effect is different in all the 12 houses located in our birth chart. You can learn more about those effects here.
At the same time, it is also believed that when Rahu in 3rd House for Leo Ascendant gives auspicious results to a person, no other planet can give such auspicious results.
If there is a difference of Rahu in 3rd House for Aquarius Ascendant in the Mahadasha of Venus, then a person gets troubles from Chandal humans, anger from brothers and relatives and sudden fear.
Many times, due to the ill-effects of Rahu in 3rd House for Gemini Ascendant, one has to be a partaker of failure and stigma.
Once upon a complaint by Surya and Chandra, Lord Vishnu severed its torso from the head with his Sudarshan Chakra.
As a result, the trunk is called Ketu and the head is called Rahu in 3rd House for Aries Ascendant.
After severe penance, Brahmaji gave him a place in the sky circle.
