Planets in houses · Kendra
Ketu in the 7th house
South node · Kalatra Bhava
Ketu is the karaka (significator) of detachment, intuition, spirituality and past karma. The 7th house, called Kalatra Bhava, shows marriage and partnership. When Ketu sits here, these matters take on its colour.
In the 7th house a malefic can bring friction or delay in marriage and partnerships, and calls for patience with others.
The 7th house is a kendra (angular house), a pillar of the chart, so a graha here shows its results openly and strongly.
Ketu is a shadow graha and gives the results of the sign lord and conjunct grahas; it is considered strong in Vrishchika.
Results are weaker if Ketu is debilitated in Vrishabha, combust, or afflicted by malefics.
In transit (gochar)
When Ketu transits the 7th house counted from your Moon sign, the period traditionally needs more care.
A single placement is never read alone: sign, aspects, conjunctions, dasha and the whole chart change the outcome.