A preliminary matter refers to an initial issue or concern that needs to be addressed before proceeding with the main subject.

प्रारंभिक मामला

English Usage: The judge ruled on a preliminary matter before the trial could begin.

Hindi Usage: न्यायाधीश ने मामले की सुनवाई शुरू होने से पहले प्रारंभिक मामले पर निर्णय लिया।