Never again would you have the opportunities you have in college. Learn to make the best use of them. Join a club or society on campus. There is something for everyone from the theater, to music, to debate society there are a lot of options for students to explore.
Hostel life is the ultimate experience one can have as a college student. There is so much that one gets to learn as a hosteller. You become more responsible and independent than you'd ever be while staying at home.
You need not be a first-class athlete to join the sports team in your college. You could also sign up for the intramural sports team of your college. Playing some sort of sports helps keep your body and mind active.
Plan a trip with your college friends. It is always a fun experience to go out to another city or state with just friends. You create memories for life and it also acts to strengthen your bond.
College is a great place to get to know people. You meet people from backgrounds completely different to that from yours. While befriending such people you get to know a lot about different cultures and traditions.
Part of being in college means that you learn to be independent and prepare yourself for responsibilities that will befall you in life after college. Taking a part-time job will teach me to balance more than one thing at once. You'll learn to multi-task.
College is a time to have fun and experience life. Going on a date with someone is a part of that. You get to have new experiences in life. No matter whether the date goes good or bad there is always something that you learn from each one of them.
Some professors are very interesting people. They are not your typical teachers who are there just to teach. They love to engage in conversations with their students and it need not just be about the subject they are teaching but even on general life topics.