A. Since your parents not living with you that no case registered under 498A of IPC which is most dangerous case than domestic violence. Every case must be proved with the material evidence else you will be acquitted with your parents.
B. You could approach High Court to quash the FIR proceedings against you and your parents.
C. You need to collect all the documentary proof to take defense by observing petition's complaints or allegations. Example: Documents means, communications between husband and wife through whatspp, e mail, messages, records etc, your parents lease/rent agreements or if it was own house, electricity bill payments or any transactions etc.,
D. Finally, it is not easy to prove all the allegation made by your wife, be careful in future while speak with your wife regarding any matter and try to record her voice by installing automatic call record software and also be aware while communicating with your kids.