How can i claim property from my father in law

I am married to a mentally ill man .... And it was an arrange marriage . I had a kid after 3 years it was very challenging and abusive to stay with my husband ... I have compromised 3 years. My husband use to speak abusive words and have done mental torture , with a hope that he will change i have stayed with him for 3 years but no improvement .when i told all these to my inlaws they started ignoring and asked me to compromise without saying anyone in my family . For day one of my marriage my mother in law use to interfer in every matter even my private matters and beheviour was very rude towards me . She is a mental patient but was hidden to me . I need financial security from my inlaws for spoiling my life or need financial help to leave with my baby . Now they are trying to use my daughter to take me back . From day one they are trying to dominate me and forcing me stay in their emotionless, mental ,abusive family ... Without uttering and demands . I don't want spoil my childs future plz advice ...