Mental torture by wife n his family members

Hi it was just 6 months of my marriage by the two months after my marriage my wife start dispute on small things when she is not controlled my mom dad interfare in bitwween us but still she is not agree to stop. I'll talk with his sister to solve the issue for that I'll bring her to their home in ahamdabad but after some time she again start fighting and start bring mentally pressure on me and my family now she start alleged to his parents that we are try to make her mental. In past her parents doesn't want to merry her in my family because we are financially week from them. The girl is wanted to merry me that's way merriage is happen n their parents still wants to brake marriage. Now in current time she start puting alligation of extra martial affairs on me and making mantel pressure by my parents and false alligations on them now she is demanding to saprate with my parents if I m not ready then she do anything and starting enusual behaviour like stop taking food lock herself in room for many hours or day night not get to sleep me in nights and even she given deadline of 15th June 2018 to saprate otherwise she could do anything on same day when I m in office she locked in side my father n other paying guest and ran away from the house and my father bring her back of many attempts many person try to covence her but she still on her demand now she and her parents threatens to file dowry n domestic violence case on my family or otherwise I accept her demands. I m not able to leave my parents because both are physically not fit my father is a stroke patient n mentally not fit my mother is also a patient I m elder working son of house she and her parents making pressure to do anything that's she demanding kindly help sir