Badly in need of counselling currently help?

my mother is a person who lacks mental stability.She talks harshly to everyone, people at home n outside.staying in d same house has made me mentally sick past 2yrs.I am using some antidepressants too.Now today i had a small quarel with her she bet me.Im a PG student.jus 5 more days for my exam not able to concentrate on studies.i can recollect only her arogance towards me n torture.there no one to support me iam crying in my room for long hours help.Is there any act in society to punish such cruelity.