Daughter in law and brothers dispute

There is small issues getting bigger day by day as my brother is having disputes with her wife from a long time.She is taking everything under control & she now filed a complaint against my brother IPC 325 where at the time of their dispute my father was present at home but he didn't bothered as at the end they blame them for the issues happened.My mother was not available at home at that moment but she filed her name too. Now by having 2 sittings at local police station ,she is asking for the property to be transferred on brothers name then only she will come back. they are having a girl which is living with my mother and she is taking care of her as she my bhabhi denied to take her along. Is there any legal action that can be taken because we think she will not stay with my brother she only wants to get the property and money from us. can anyone advise for the action we can legally proceed with. I am helpless to stand with my parents just because of the fear that may be she will also include our name too in the file.