Sani seeing seventh house is dosha(negativity) of marriage.
It indicates troubles before and after marriage.
It is better if your daughter does penance for 6months.
She can do penance after marriage also,to keep the problems
at a minimum.
She has to do fasting for one day in a week,for 6months.
On the day of fasting,she can eat uncooked vegetables. firstname.lastname@example.org