Which cases can be filed against -My Son in law

I am widow aged 55 and I married my daughter 7 years back and since then it is trouble. He has issues with my daughter and just before marriage he demanded 10 lac and we deposited money to new bank account opened in the name of my daughter. Now problem is even my daughter is against me or she wants to save her marriage and she is saying this is her money and not demanded by her in laws. So my daughter logged a police complaint against me that we have taken her bank statement and misused the account, although I have submitted my reply to the complaint that no misuse been done but police officer confirmed that her husband that is my son in law approached Sub inspector many times and called on his cell phone many times and asked to take more strict action against me and try create new problems as well. But the officer was honest and he did not did so. So now I have to report complaint ssp window that my son in law is influencing police officers by approaching and calling them during same week police officer ask me to come for report reply He did tortured few months back up as well to my daughter as I got to know from common family friend that my daughter is not at home and missing for whole day He abuses me whenever met previously at any common relative gathering or function he forced my daughter to log civil suit for share in my property so now my daughter is also against me Please help what I can do