There are a lot of possible answers to your question depending upon what aspect you wish to know. Let me put up some basic points as answer to your question
Academics:- IISc is easily one of the best academic institutes in the country . You choose any discipline to compare and IISc would land up in top 3 slots in the country , if not the best every time.
Sports:- Sports in itself is not a strong suit of IISc. You can always keep a particular game as a hobby but if you want to do something big in that sport, IISc is not just the place to be.
Freedom:- IISc offers you a lot of freedom. Freedom in exploring hobbies, research interests, in voicing your opinion and in mixing up with different genders. You can join any club, any sports group or any other activities group and no one would bat an eye
Campus :- IISc has one of the most beautiful campus in the country. There are varieties of trees that you can find only over here. The campus is lush green , has ample open areas and no