Harrasment by moter in law and 4 sister in laws

I am a working woman of 37 years. My husband is of 45 years, he is a tailor. Completed15 years of married life. He do not earn much as he has health issue. I look after all family expenses. We have 2 sons. My mother in law stays with us and when her 4 daughters come to our home ( They come every month) they start quarrelling with me. I take care of them very well, but they are not satisfied with that. We live in a house given by my mother in law. They always use very vulger language to me and even beat me. I kept quiet for many years. Twice they knocked me out of the house. I suffered everything as I have kids and by thinking if I go outside how will I pay rent and take care of all things. But now I stood up formyself and I am talking against to them so they are asking to leave home and go away. I want to move from that house but my husband is not willing to leave the place. My days became very horrible these days. Property is on mother in law's name. I don't want to move from this house as since 15years I am staying there and at the same time I want to get ride of my mother in law and sister in laws. What to do please suggest.