1)you can file for annulment of marriage on grounds that you were forced to marry her against your wishes as wife threatened to commit suicide if you did not marry her
2)wife has right to stay in flat owned by you . she cannot claim ownership rights on said flat
3) you can gift flat to your mother with consent of bank . transfer emi money to mother account
4) wife has no share in your ancestral property
5) you would be liable for disciplinary action if false statement was made by you at time of joining govt service