First of all, if you are applying after one or two semesters, then the process gets difficult. But if you are changing as a fresher, then it becomes easy for you, as a minimal amount of the syllabus is being covered. You can surely change your college, if your required marks is good. Posting you the details of Coimbatore law college for better understanding:-

https://law.careers360.com/articles/tndalu-admission