Next time when she is threatening you like that with false accusations, record it and keep it ready as proof. Meanwhile, you can file a police complaint against her for criminal intimidation as well under section 506 of IPC by approaching your nearest police station with a formal complaint.
For further queries, you can contact me on 7601090381 or firstname.lastname@example.org
immediately contact me with full details of how you are being threatened and what evidences you have in your favor against those threat for me to save you from any criminal accusation. Im available at 9013429126
You can call me for advise on mobile no 9359867870
Advocate IRFAN SHAIKH
Try to collect move things that favours you and shows the is falsely implicating you, the moment she files any complaint take Anticipatory Bail from court of sessions