Each of the IITs has its own cultural heritage and tradition which are unique and wonderful in their own merit. All these colleges are filled with guys and girls who have spent the greater part of their childhood amidst deadly JEE study materials and fat books
Hostel life
Well this point caters to and is applicable to any and all of the engineering colleges out there but I still felt like mentioning it here in special reference to hostel life in an IITians way.
Gaining experiences
In any of the IITs, you will be surrounded by students from different parts of the country, speaking different languages, having different food habits, celebrating different festivals, and being from different economic backgrounds.
Fests
Fests is arguably the coolest thing about the IITs and should be an important reason for an all-out attempt at the JEE. Be it the cultural fests where you get to experience power-packed performances by renowned national and international entertainers.
Cradle of Excellence
Finally, the most important point. IITs are the cradles of excellence where the future talents of the country are nurtured. While there might be other views, we must accept the reality: IITs are the best colleges in the country.
Realization of your true potential
In the continuum with the first point, once you enter into any of the IITs you realize your true potential. Surrounded by budding stalwarts in varied fields you rediscover yourself