India is a country where people consider education as means of climbing the economic ladder. If there is any failure in education, it would not be due to lack of good education; it will be due to lack of quality education.
Very few people can honestly say that their college experience was not filled with some regrets be it in the form of having too much fun and not enough studying or vice versa. Nevertheless, hindsight is 20/20.
If you have finished your 12th grade this year, you most probably are going to just begin college. You must be really excited at the prospect of adulting, of entering college and beginning a new phase of life.