It is not maintainable in law, because it was not a legal document that which was entered between you both, it was just an understanding reduced to writing.
No cheating case is maintainable.
Whether on the date of pronouncement of judgment on divorce or not, the lawyers will be present in the court, why do you get such doubts in your mind?
Judge will not ask anything on the DD amount or the settlement amount, the court will not show any interest in your settlement process or arrangement, it is between you and her, the court will not interfere in that.
Even the MOU will not be a part of the judgment, hence it is not maintainable.
On the MCD you may have to sign the petition for mutual consent divorce and affidavit to that effect. The MOU will not be presented to the court because it is not part of the divorce process in the court.
MOU is not a settlement deed.
An affidavit expressing her no objection to quash the criminal case before high court is essential, the MOU has nothing to with the case in high court, it will not be an evidence or a legally valid document.
The affidavit to be filed by her will be in a standard format, which your advocate will take care.
If both the parties are present and are ready to make the argument, it can be done on the same date of hearing.
How many days it take for passing the quash order had been explained above.
If the wife is not turning off before high court for filing her affidavit on the said date your lawyer may seek time to bring her on the next date of hearing.