If you had a confirmed admission at both IIM Ahmedabad and IIM Bangalore, you would have been strongly advised to attend IIM Ahmedabad due to its higher international repute and more extensive alumni base.
However, you should avoid leaving IIM Bangalore just to try your luck on the waitlist, which is unlikely to see much movement at IIM Ahmedabad anyway. IIM Bangalore is a fantastic institute in its own right, and you are extremely fortunate to have been accepted.
If you had been accepted to both institutes, you would have been strongly advised to attend IIM A due to its higher international repute and larger alumni base. However, it is strongly advised against leaving IIM-B for a chance at IIM-waitlist A's progression, and it is unlikely to see much movement anyway. However, it is strongly advised against leaving IIM-B for a chance at IIM-waitlist A's progression, and it is unlikely to see much movement anyway.
IIM-B is an excellent institute in its own right, and you are fortunate to have been admitted there. In conclusion, you should be preparing for Bangalore's beautiful weather.
Well, the answer is it completely depends on the student’s perspectives. Both institutes have their strong suit. IIM Ahmedabad is better than IIM Bangalore in some ways and vise versa. As of now, for consulting IIM Bangalore is the best in the country. Whereas, for marketing, IIM Ahmedabad is far better than IIM Bangalore.
If you want a career in Finance, then don’t leave IIM Bangalore just to have a shot at the waitlist movement at IIM Ahmedabad. Which is also quite unlikely to see any movement. IIM Bangalore is a great management school in its own regards. So, choose IIM Bangalore rather than waiting for the IIM Ahmedabad waitlist to clear.