Mercury rules 5th and 8th house is in 6th house in Cancer

As a Jyotish astrologer, the placement of Mercury in the 6th house in Cancer sign indicates that the native will have a sharp and analytical mind, but also tend to be emotional at times. The 6th house generally represents health, diseases, enemies, and service. With Mercury placed in this house, the native may be inclined towards serving others, and may excel in fields like medicine or nursing.

The Cancer sign indicates that the native may be sensitive and caring towards others, which could help them in their service-oriented role. However, since the 6th house also represents enemies and obstacles, the native may face challenges in their career or may have to deal with difficult colleagues.

Mercury in this position can also indicate that the native may be prone to health issues related to the nervous system or the digestive system. They may benefit from taking care of their mental and physical health.

Overall, this placement of Mercury suggests that the native has the potential to excel in service-oriented professions, but may face challenges in their career. It is important for them to maintain a balance between their emotional and analytical sides, and take care of their health.