7th house belongs to Mercury and Venus . If Ketu in 7th house is benefic then the native gets the wealth of forty years in twenty four years of age. The wealth increases in proportion to the children one has. The native's enemies are frightened of the native. If one has the help of Mercury, Jupiter or Venus then the native is never disappointed. If Ketu in 7th house is malefic then the native is usually ill, makes false promises and is troubled by enemies till thirty four years of age. If there are more than one planet in Lagna then ones children are destroyed. If one abuses then the native is destroyed. If Ketu is with Mercury then after thirty four years of age the native.s enemies are destroyed by themselves.
Lal Kitab Remedies for Ketu:
Never make a false promise, be proud, or abusive.
Use yellow as Tilak.
In case of serious trouble use the remedies of Jupiter.