No, taking the Uni-GAUGE mock test is not compulsory. But, candidates must take the mock tests so that they are aware of the computer-based test. A simulation of the real exam, Uni-GAUGE mock tests comprise all aspects of the actual exam including Uni-GAUGE exam pattern and marking scheme. Three Uni-GAUGE mock tests are released for all the candidates who wish to appear in the Uni-GAUGE exam held in CBT mode.