To file an objection to a court’s pecuniary jurisdiction, the defendant must first verify that the plaint’s valuation exceeds or falls below the court’s monetary limits and then raise the objection at the earliest stage—either through a preliminary application or within the written statement—as required under Section 21 of the Code of Civil Procedure, 1908. The objection should be supported by documentary evidence such as valuation reports, contracts, invoices, or market assessments proving the true value of the subject matter. The application should cite Section 6, Order VII Rules 10 and 11, and relevant valuation laws, requesting the court to either return the plaint for filing before the proper court or reject it for incorrect valuation. If accepted, the court will endorse and return the plaint under Order VII Rule 10A, allowing it to be refiled before the competent court. If rejected, the defendant can preserve the objection for appeal. Raising this objection promptly not only upholds procedural propriety but also prevents the case from proceeding in a court that lacks lawful authority to decide it.