Harvard, Stanford, and Wharton are way older than IIM Ahmedabad. These B-Schools offers better academic structure, faculty, alumni base, and infrastructure. Also, students need at least 3 years or more of work experience to attend Harvard, Stanford, or Wharton. IIM Ahmedabad doesn’t have any such prerequisites.
These are a few of the many reasons that put Harvard, Stanford, and Wharton well ahead of IIM Ahmedabad.
Before we compare IIMs to Harvard and Standford alike, let's discuss a few things first.
IIM Ahmedabad certainly needs time. But in the span of these short 60 years, it has already made tremendous strides. You can become a partner at McKinsey after passing from Harvard and IIMs. IIMs will give you opportunities at BCG, P&G, Bain, JP Morgan just like Harvard.
This question is the same as asking why India is not as good as the USA. This is because India is still growing, and will continue to grow despite everything. On the other hand, the USA is already a developed nation with a lesser population and regional politics.
Coming to your question, you need to check the pros and cons of IIM Ahmedabad before coming to any conclusion.
Pros:
Cons:
At last, it is unjust to say that IIM Ahmedabad is not as good as Harvard and Stanford. You clearly know the difference between both the nations and their education system. Despite all the hardships, IIM Ahmedabad stands to be a pioneer institute in India.