Base less Civil Case Filed for Extortion of Money and to Create Loss

The plaintiff has filed a case by providing the false statements / facts against the relevant Limitations Act and Sections of law. Even even continuously attempted to occupy the possession of a property unfairly, when its been questioned by defendant, Plaintiff is using the Vulgar words in the Public and even intentionally threatening the defendant from long time. Unfortunately, even the lawyers / advocates (Both Defendant & Plaintiff) are aware of this and get involved in this matter supporting to the plaintiff for his behavior on incurring intentional loss and mental agony. So in this circumstance, if defendant wants to file a new criminal case against the Plaintiff in the Court, what and all criminal sections and Acts can be considered? Kindly advise me on this