Wife File Complaint

It is advisable to consult and engage a local prudent lawyer for professional guidance and necessary proceeding/ contest and defend .

State the facts fully.. better to consult local lawyer for seek clarity 

Except for defending your wife's allegation with facts and documentary evidence, you have no options and only a local advocate can practically guide you.  Without knowing the details in the complaint, it is not proper to expect guidance from the forum without single detail.

You have not posted the material facts.

If your wife is reported to have lodged a criminal complaint against you for dowry demand under section 498A UIPC and sections 3 and 4 of DP act, you may have to first obtain anticipatory bail  and then challenge her false case in the trial proceedings before the trial court with the help of your lawyer.