Until you have not proved that this is a false case you cannot do anything to this legally.
The law enforcing authority, i.e., the police have registered FIR based on the cognizance taken on the complaint before it, whether it is false or true case shall be decided by court and not the police. The duty of police is to investigate and send its report to the court along with the charge sheet and prosecute the case through public prosecutor. So without the court deciding the case or acquitting you or discharging you or dismissing the case, how will you confirm that it is a false case.
You have to wait for the court to pass its verdict after that you can decide about proceeding with the proposed cases.
If the police are delaying to file the charge sheet, you may take up the matter for quashing the FIR under section 482 r.p.c. before the high court.