Psyco possessive. Torcher please help?

My bf was good at starting of relationship butvas days years passed i came to know that his possessiveness is my lifes biggest problem he never allow me to go movies with my parents, notbto functions, marriages, or anywhere he torcher me by calling continuesly he asks mevto dress fully,not to even meet my girl bestie, not to have a fav hero even, be against parents, come with me leaving them, he is such a man but he is a software employe in his college he attended each n everything njoyed a lot but y does he do dis for me because of him i m unable to njoy my beautiful life i m from a rich family he always point out dat, asks me to put balance, everything if isay him Break up then he said that did u get another one and abuses me very badly on roads he has many pics of our both, so i m really nnot loving him anymore but i m scared that he ll kill me one day help me what should i decide for my life i became against my parents disturbed in studies with his torcher please help