Revised MGU CAT 2023 Exam Dates Announced; Check Course Wise Schedule and Apply. MGU CAT 2023 exam will be held on May 20 and 21. The MG University announced the exam date at its website through an official notification. Earlier, the exam was to be held on May 6 and 7, 2023, but was postponed as the registration deadline was extended until May 2, 2203.