Mercury rules 6th and 9th house is in 10th house in Libra
As a Jyotish astrologer, I can tell you that Mercury in the 10th house in the sign of Libra is a beneficial combination for career and professional success. This placement provides great intellectual abilities and communication skills. You are naturally inclined towards diplomacy, and you have an innate talent for negotiation, making this a wonderful placement for careers in law, counseling, public relations, or marketing.
People under this placement are charming, intelligent, and intellectual beings who can inspire others with their thoughts, ideas and communication skills. They possess excellent analytical abilities, and their decision-making skills are on point. They have excellent organizational abilities and can manage complex tasks easily.
This placement is considered favorable for achieving success in commerce or business. Success in an artistic field is also possible due to their refined tastes and innate sense of balance and harmony.
However, as with any astrological combination, there may be some negative effects as well. This placement can sometimes cause a tendency toward indecisiveness and a lack of assertiveness. The desire to please everyone could hamper their own success in the long run.
Overall, this placement of Mercury in the 10th house in Libra is considered favorable, and with the right guidance, individuals under this placement can achieve great career success and professional recognition.