Seeking advice

I got married in 2016 second time and its my husband’s third marriage. From the very first day my inlaws mistreat me. They find ways to harrass me . My husband and inlaws married me and agreed to take my son from my first marriage along with me but afterwards they put condition that my child cannot live with me. Otherwise i can leave the house . Theycontinuously harrass me and abuse me mentally from the first day. When ever i used to say i need aome mode of transport to go they say ask from your parents. For this reason my parents gave car. Now they started locking the gate so tjat i can not go even to temple. Sometimes they switch the fan off. They start yelling amg abusing me my sister in laws my motherinlaw my father in law dont want me to stay with my husband wvwn they pressurise my husband for this amd aometimes my husband behaves so. All the times my inlaws say me to leave the house amd threat me by their sayings . I am tolerating all this because this ia my second marriage . All of their kids are divorced and remarried. Even my second sisterinlaw is not living with their inlaws and my first sisterinlaw keeps coming here as she lives opposite lane to ours she also not living with inlaws but with husband only. All the family members also took my frst room fromme and shifted me upward . And now they want me to shift to a room where i can not see anyone. I am in delimma there are many other situations also that i can not explain . I am not getring how i can i go firther as they donot let me have my rights as i dont knw about them. Kindly guide me what i can do as my husband alao doesnot underatand my problem . I am insecured everytime and now they want to make me prisoner of the house by locking the indide gate and keeping keys with them what can i do ???