She got wrong advice for succession her wish and she play without knowing the final outcome. You can file case of perjury against your wife. Face the trail, if she files false case against you and your family is better than quashing the FIR.
Maintenance to a spouse
A Husband is legally obligated to maintain his spouse. Maintenance includes provision for food, residence, clothing, education and medical attendance and treatment. Many factors such as the income of wife, income of husband, the period for which marriage subsisted and liabilities of husband are to be kept in mind by the court while deciding the legitimacy of the claim for alimony and also the amount to be fixed. If your wife is earning then she is not entitled to claim financial support from you. Wife who is well qualified and is capable to earn cannot sit idle and claim maintenance from her husband. A well-qualified wife is not entitled to remain as an idle and claim maintenance from her husband
Custody of child
The Supreme Court of India has consistently held that in deciding cases of child custody ‘the first and paramount consideration is the welfare and interest of the child and not the rights of the parents under a statute. Guardian and wards card are empowered to determine the issue of child custody. Mothers and fathers both have a prominent role to play in supporting the growth and development of their children. The basic opinion of the child and the mother is highly ignored while determining the custody of the child. Family law courts generally base decisions on the best interests of the child or children (welfare of children), not always on the best arguments of each parent.
1. Permanent Custody
2. Interim Custody
3. Visitation Right
Permanent Custody is awarded by the Court after determination of all aspect of the case. Prime Criterion before awarding final custody in favour of one spouse as against the other is WELAFRE OF THE CHILD.
Interim Custody is awarded by the Court during the pendency of the case before it. Generally, the Court awards interim custody when such an order does not affect the over all development of the child and same is in no wayprejudicial to the interest of the minor. Court tries to bring equilibrium between the husband and wife and also keeps a vigilant eye that the child should not become shuttle cock between warring spouses. While awarding interim custody, Court has power to impose certain conditions which could be deposition of passport of minor, if any and/or direct the party to deposit its own passport so that the child could not be removed from the jurisdiction of the Court.
In general, courts tend to award PHYSICAL child custody to the parent who demonstrates the most financial security, adequate parenting skills and the least disruption for the child. Both parents continue to share legal child custody until the minor has reached the age of 18 or becomes legally emancipated. Legal custody means that either parent can make decisions which affect the welfare of the child, such as medical treatments, religious practices and insurance claims. Physical child custody means that one parent is held primarily responsible for the child's housing, educational needs and food. In most cases, the non-custodial parent still has visitation rights.
If she fails to prove her case she could not get divorce. You can use the call recordings as secondary evidence supporting to your counters against her petitions.