1. Make a plan for the entire schedule from your classes to exams, and make a timetable for how long each subject has to be studied, which will help in your study concentration.
2. This will also save you from the stress caused by trying to adjust between your studies and social life.
3. Immediately ask your professors or fellow classmates all questions that come to mind, because your hesitation can have a negative effect on your studies.
4. Become a part of college study groups, which will enable you to easily understand subjects studied in the classrrom, and also help you to take notes from other colleagues.
5. Make a habit of solving question papers of exams of previous years, which will not only help you to know progress of your studies, but will also help you to know the pattern in which questions are asked there.