Mars rules 4th and 11th house is in 6th house in Gemini
Mars in the 6th house of Gemini sign in a birth chart can indicate a strong drive and motivation towards work and career. You are likely to be very enthusiastic and passionate about whatever job you take up, and you may tend to put a lot of effort into it. The 6th house also rules health and well-being, and with Mars being present in this house, you may have a high energy level and good physical stamina.
However, Mars in Gemini can also indicate a tendency towards restlessness and impatience. You may find it challenging to stay focused on one particular task for an extended period, and you may prefer variety and diversity in your work. This can sometimes lead to a lack of consistency in your efforts and a tendency to start many things but complete very few.
In terms of health, Mars can indicate a predisposition towards accidents, inflammation, and injuries. The key to managing this placement is to maintain a healthy and balanced lifestyle, paying attention to your physical needs. Regular exercise, a nutritious diet, and ample rest and recovery are important for your well-being. As a jyotish astrologer, I would recommend that you cultivate mindfulness practices to manage restlessness and impatience and to stay focused on your goals.