Can i looged a fil against my wife family as they lied about my wife mental disorder.

Hi, Can i looged a fir against my wife family member for cheating & Fraud coz they hide and lied about my wife mental disorder before marriage. I got married on 17th April 2017 and found she is suffering from mental disorder and she were under treatment during the marriage and due to stop medicine symptoms started again and i asked her family about the her problem but all the times they denied and did not come forward to help on 17th august2017 her condition gone worst she started fighting and abusing all my family members in front of her family still they did not disclose that she was under mental treatment she went with them on same day since than she is living with her family and is under mental treatment. I asked them to get sepration as i can not survive with her whole life since august they are begging to give some time since few days they are calling me saying you have to keep her at your home else we filled a case againt you and family of give us money for settalment. Please advise police can looged a fir against them about cheating & fraudent ? i have all documents of treatments and recordings as evidence. And It is not been a year for marriage, Can i fill a case for marriage as voide?