Some of my friends are students of BITS Goa and they were able to elaborate on the attendance scenario at the institute. It’s true that the attendance requirement at BITS is 0%. Now the average number attending classes depends on so many factors that it would be nearly impossible for any ordinary person to note down the statistics keeping in mind each and every factor.
First, let me tell you the factors that drive the students to attend or miss classes.
Having said all this, it is not really wise to depend on others to decide what should be done and whatnot. Instead of that, you must be the one to decide what is right for you and what not. You might attend all classes of course X and end up with a B or B- and attend 30–40% classes of course B and end up with A or A-. It’s all relative.
I’d say, don’t attend or miss a class blindly following the masses. Attend yourself, judge yourself and then decide for yourself.