Vulgar language in court case

Did he use words in writing in the Statement of Reply or oral assertions at hearing? If they were verbal abuse, I don't think you can achieve anything. If it was a part of pleadings, you may file an Application under Section 151 CPC seeking the vulgar contents to be expunged. But either ways, don't expect much; that is a part of bitter matrimonial proceedings and a 'privilege' (withing apostrophes) that we lawyers claim (and some lawyers abuse); ultimately the words might be claimed as a vital part of defense. Be strong and ignore is all I can advice. Try a miscellaneous application