Whether your case has come for trial and have you let in your chief examination evidence?, If so you cannot file additional affidavit, do you want to file subsequent pleadings to your RCR petition?
Whether the respondent/wife has already filed her counter to the main petition?
Four fundamental rules of pleading are; (1) Pleadings should state facts and not law; (2) The facts stated in pleadings should be material facts; (3) Pleadings should not state the evidence; and (4) The facts in pleadings should be stated in a concise form.
"Subsequent Pleading – No pleading subsequent to the written statement of a defendant other than by way of defence to set-off or counter-claim shall be presented except by the leave of the Court and upon such terms as the Court thinks fit; but the Court may at any time require a written statement or additionally written statement from any parties and fix a time of not more than thirty days for presenting the same.
in certain cases with the leave of the Court, Plaintiff has been permitted to file a rejoinder to the written statement filled by the defendant, such a rejoinder filled by the Plaintiff is termed as "replication".
You must ascertain what you want to do now?
2. Litigation expenses are common to all, whether she the daughter of an advocate or otherwise, she is entitled to litigation expenses.
3. Since she is your legally wedded wife and is staying separately away from you, she is entitled to interim maintenance.
You can argue that she voluntarily abandoned the matrimonial home without any valid reason hence she is not entitled for any maintenance