Domestic violence act is now commonly used and more effective best law for protection from harassment, physical torture, sharing of matrimonial home, maintenance etc. So your wife use that method .
Maintenance is the amount which a husband is under an obligation to make to a wife either during the subsistence of the marriage or upon separation or divorce, under certain circumstances.woman is entitled to claim maintenance from her husband if her independent income or earnings as a single woman are insufficient to maintain the standard of living she was accustomed to whilst living with her husband.Income alone cannot be criterion for deciding the maintenance amount. Take home salary and also the expenses also should be taken into consideration while awarding maintenance to wife.
While awarding maintenance, Court considers following factors among other:
1.Status of the husband and wife.
2.Salary/ Income of the husband
3.Salary /Income of the wife
4.Liabilities of husband, if any
5.Dependants
6.Reasonable wants of claimant.
7.Financial Background
8.Movable & Immovable properties of the Husband
Though there is no fixed formula to arrive at the calculation of maintenance. Yet, the figure hovers around 30% to 40% of the salary/income.