Take Adv. Kalaiselvan's advice seriously and try to work things out. One year is a very short period to separate. Try another year and see...
If things do not work, then take a firm decision and let her file all cases she wants to. In fact ask her to go ahead and file these cases and get over with them and then file for divorce. Otherwise years will pass by and you would be tortured ad infinitum. Remember that in divorce proceedings, the strategy of the wife is like the one in chess: Threat is better than execution to meet some other objectives. She will just keep threatening... You as a husband, if you feel that she is continually threatening even though she knows that you have not done anything to justify the criminal proceedings then take the following course... Make life such a hell for her that she converts her threat into execution. Then spend some time in jail, if required but make sure that there is no evidence that you did anything and that you win all criminal cases. Be smart in your execution. In matrimonial disputes, JO DARA WO MARA.
I do not condone violence, other than in self-defence and nothing stated here is to interpreted any other way. That said, a wife who is threatening perpetually deserves nothing less.