Quashing of fir

You have a legal right to approach the Hon. High Court for quashing of the FIR, however success of the application will depend on the details and merit of your case. 

Wait for the police to file charge-sheet.

What is the advise of the lawyer engaged / paid by you who is well aware about the facts and circumstances of the case, an able, competent and intelligent enough to satisfy your question(s) if it is a real story ?

The High Court could be moved under exceptional circumstances. However, charge-sheet is quashed only in exceptional circumstances when the charge-sheet taken as whole and accepted in its entirety does not disclose the offence, as charged.