I feel that the question is little vague because it depends how you define student life. Well, I will try to cover as much aspects I can.
There are a variety of students in college. Some of the students choose just to study, some are involved in extra curricular activities because they find their true paison and want to follow it, some are partially involved in both and some just do not do anything at all. Yes, there are people in BITS who do nothing at all but the fraction is very small.
Honestly, I am the kind of person who is not involved in any extra co-curricular activity. I just focus on acads( Little bit :p)
So there are few departments and clubs on campus. Various departments are in the area of Sponsorship, Publicity, Hospitality, Visual Effects, Photography, etc. And there are few clubs for dance, music, dramatics, etc. These are just a few. There are a lot more actually. (Can’t remember at the moment) Any willing student who has necessary skills or some enthusiasm can get into a club or department.