Is it true that after getting into IIT,  IITians don't even put 10% of the effort of what they had put to get into IIT and hence let other B Grade college's student get ahead of them in career ?

Although I would not call non-IITs and other regional colleges as B Grade, for each individual has great potential to succeed, but might be limited due to lack of resources, or have different interests and goals, for the sake of this question let us assume we are on the same level as far as understanding what a B Grade college means. Let me first throw light on the second part of the question. What is the comparison matrix? Are both the students in question just BTech level engineering students? If yes, I would certainly like some stats from yr side for this claim. I am from the CS batch of 2012 and have seen that the placements and the opportunities given to us are much better than other colleges. We are given higher posts, higher salaries in some of the most renowned companies in the world - whether its tech, consultation or financial. If both students are not just Btechs, then it is like comparing mangoes to oranges. I have seen many students, doing Btech from regional colleges going to the US or other foreign universities for grad school and then securing great jobs across the world. But then, this is possible only after they have gone to these foreign universities, and thus your claim that they are from "B grade" college falls. Some students do MBA, Law, etc and thus have better expertise in their fields than naive Btech engineers from IITs, and hence again cant be compared. Now coming to the first part of the question:  If you agree to the above paragraph, then this part automatically becomes irrelevant. If you don't, then read on: What efforts are you talking about? I believe you are just concentrating on academic efforts, because this is what we put-in for clearing IIT-JEE. Now IIT-JEE just concentrated on Physics, Chem and Maths, and therefore all our efforts went on academics, sacrificing all other ambitions and hobbies in the way. But life doesn't just depend on academics!! And college is where we come out in the real world, away from the protection of our parents and realize this! We start to realize that there are other aspects of life - spending time with your friends, watching movies on laptops, chasing a girl, missing classes and deadlines, taking part in the cultural fests like Rendezvous, competing in inter-hostel sports competitions, performing in a hostel's band, taking part in the inter-hostel "poltu" and so on. These all involve efforts. And combine these with professors' crazy and illogical policies and activities, surprise quizzes, minor and major exams, assignment deadlines, exceptionally bad mess food, and then you come to know about life of an IITian, and the efforts that one has to put-in just to survive! Having said that, for people who have an academic pursuit, like going for grad schools or doing MBA or IAS, they do put in a lot of efforts in academics (much more than clearing the JEE), and those who have different goals and ambitions, well, they dont need to put in a lot of efforts in academics. But they do work hard to to achieve these goals. I have seen students skipping all the lectures (and hence putting less that 10% of efforts), but working day and night trying to set up companies or helping out NGOs and so on. So basically we do put in efforts, but these get distributed and academics becomes just one of the different things that we pursue. I dont think it is right to expect we study all the time - for being an IITian is a privilege, not a curse.

This question is full of prejudices. How do you define a 'B-grade college'? Do you mean to say that at IIT's, everyone does everything better than everyone else at a 'B grade college', or to rephrase (so that it is for you to understand if you are from a 'B grade college), do you mean that at a 'B-grade college', no one does anything better than anyone at IIT. If this is you definition of a 'B-grade' college, where do you even find such a college? If this is not your definition, then there will some be people at every college who would do better than some of the IITians at something(which they can take up as career) and some who won't. So, that answers the second part. About the effort part, we still put in a lot of effort(certainly more than 10%), but not all of that is directed to academics. For instance, these days, for some of us on Quora, a significant fraction of the effort is directed towards answering questions about IITs, even if they make little sense or are full of prejudices.

People put effort in academics, dramatics, social service and many more depending on what they want to do. I have rarely seen anybody not working at all! IITs are a highly competitive place to be in and I highly doubt that even surviving them is possible (forget performing well) by "10%" of JEE efforts (which according to me is an absurd measure of efforts because it varies a lot from student to student).

Of course, we do. The actual figure is 9.47% in contrary to popular belief that is 10%. As a matter of fact, all the B Grade college students are way ahead of me in my team. I only like to take more money than they do. And this was one quality that my interviewer liked: that I like getting paid more. And he decided right then that he ought to recruit me. And to my surprise, he never asked me how much I was working. He was only concerned if I was greedy enough, and if my greed was increasing exponentially. So is my manager. The other day, when he got to know that I stole a few unused hard drives and sold them at half price right below my office wearing a disguise, he was said to have shed a couple of tears (the B Grade college guys recorded it on their smart-ass phones). In the following appraisal, he gave me a 5/5 precisely for this clandestine activity of mine, another 20% hike, and suggested that I should apply for masters to grow, and therefore, be able to take more money home.

No, its not true... It can be said that we dont put even 10% effort in our lectures but we have to do too many things to keep ourselves compatible with our fellow iitians. There are nearly 30 hours of lectures in a week + 3 hours of EAA... 2 hours daily for your society or hall activity and another 2 hours of studies!!

The answer to your question is yes and no. After passing out from school, it is entirely your choice how you build yourself and your career. So there may be individuals who after getting into an IIT stop working hard while people from lower colleges who work hard and can move ahead. The IIT's do not guarantee you a 7 digit salary and a high flying career. The IIT's just provide you with the knowledge and resources to accomplish your aims. How you use it is entirely upto you. And when you compare IIT's to other colleges, the IIT's have the best students, and offer much better Infrastructure and Opportunities. So 'on an average' a student from an IIT will perform better. However there will always be exceptions ( but the exceptions are a minority ).

The first part is absolutely true.Most IITians don't put even 10% of the efforts that they had put in during JEE preparation. But the Second part is not necessarily true.Who said that the B Grade College students(as you call them) get ahead of them in career ? I agree that some of them really work hard and they do get ahead of many IITians but you cannot generalize it. In general, the placements of IITians (especially CSE and electrical engg) are sky high. There are numerous example of IITians getting crores of packages. Now suppose you don't intend to talk about placements, then still, IITians are really good otherwise. Nishant Dikkala from IIT Bombay got selected for MIT. Krishna (another student from IIT Bombay) got a 100 percentile in CAT. There are various renowned startups by IITians. I am not comparing the IIT's with non-IIT's. What I am trying to do is to defend IIT's because your second statement is wrong (or at least partially incorrect). PS : I know Satya Nadella is not an IITian. If you are comparing a single highly successful person(B grade college student as you mean) with IITians then your perception is completely wrong. PPS : referring other college students as "B grade college students" is wrong. Please mind your language and people around would be happier.

The assumption is absolutely spot on,  25 % students at IIT would put in less efforts in academics then then the 25 % students at a B grade ( Read NIT , BIT etc ) engineering collage. But the same thing can be said of students at B grade engineering collage who do not put in as much effort after getting in and let the students of C grade engineering collage go ahead.

It is my personal opinion but once people come to IIT, they figure out whether they are smart or not smart. And if you are smart, you study a bit and get a good CGPA. You manage to find time to play a sport, manage an event, etc, and you come on Quora, and give profound answers to simple questions. You even say that IITians dont study, and develop life skills, etc. But the truth is that only 10% of a batch fall into this category. If you dont fall into this category, you work have to work your ass off to be good at academics. And because you are weak, you believe that you are smart because you cleared the JEE, and are therefore in IIT to develop "life-skills". And therefore you screw up your academics. The intelligent ones play to their strengths, and continue working their asses off, because if you dont, you dont get anywhere. It is as simple as that. If people were not working their asses off, they wouldn't be going to sleep on a regular basis at 1 am and waking up at 745 am.