In Vedic astrology, the placement of Ketu in any house can bring significant changes in a person's life. Specifically, when it is placed in the 4th house for Gemini ascendants and aspects the 6th, 10th and 1st houses, it can lead to several astrological predictions.
To begin with, if you have Ketu in your 4th house as a Gemini ascendant, you might experience lack of peace and comfort at home. It could be because of frequent travel or an unstable work life. Additionally, there are high chances that you may end up living far away from your family or parents due to circumstances beyond your control.
On the other hand, Ketu's aspect on the 6th house can lead to positive results. You might find yourself excelling in your work-life as well as physically due to boosted energy levels.
Furthermore, Ketu's aspect on the 10th house could result in some unexpected career changes. It could be in the form of sudden job loss or relocation to a different city. In contrast, this change could also bring new opportunities that you would've never considered before.
As for Ketu's influence on the first house; people often feel restless and confused during this planetary period. There is a potential for anxiety and doubts about one’s capabilities resulting from low self-confidence.
In addition to these general predictions about various aspects of life affected by Ketu's placement and influence on certain houses, there might be some specific remedies one should follow during this transit period such as worshipping Lord Ganesha or reciting mantras like Maha Mrityunjaya Mantra.
It is crucial not to ignore such influences or dismiss them without taking proper consultation with an astrologer before making specific changes in your lives or choosing any particular remedy because astrological predictions vary based on several other factors like planetary positions along with their mutual conjunctions as well as the time frame of the planetary transit.
In conclusion, Ketu's presence in the 4th house for Gemini ascendants and its influence on certain other houses may bring several changes that can impact one's life for better or worse. However, when dealing with such circumstances, always make informed decisions while consulting qualified astrologers and stay positive during the challenging phase. Just like every dark cloud has a silver lining, sometimes the most significant breakthroughs emerge after experiencing hardship.