If your wife lodges a complaint with the police for dowry harassment and cruelty offences, yo will be summoned by the police, at that time, you may obtain anticipatory bail and then attend the inquiry session with the police, before that avoid visiting police station because chances of remanding will be brighter which may endanger your employment.
For DV case, you nee not worry, you can face it in court.
As far as maintenance is concerned you can repudiate her claim on the grounds that she is employed and earning a handsome salary. But she can claim residential rights which you cannot deny so long she is your wife.