Hello aspirant,

CET is so called common admission test and is the gateway for admissions in a particular state. This test should only be written by those who cleared their 12th standard with a decent score in their respective subjects. It provides a platform for many students those who want to pursue higher education in good professional colleges. As it is open to all the level of difficulty  increases  and it becomes  very had to crack it.  But with a fair amount of preparation you can clear the test and end up getting into good colleges.All national entrance exams bound under this group. Some of the national test like JEE, BITSAT , AIIMS are a part of this common  entrance test. They provide a platform for student in their respective fields.