California

Hi Nishita,
Some of the top universities for MBA Marketing are Stanford, University of California- Berkeley (Haas) and University of California Los Angeles. But you should not keep yourself limited to only California so other top MBA Marketing schools which you can check are University of Chicago (Booth), University of Pennsylvania (Wharton), Northwestern University etc. Please check the university websites carefully for admission requirements, since you hold a 3-year degree you have to check the requirements properly.

Hi,
It is one of the biggest public university systems in USA. It has around 23 campuses in USA like CSU Long Beach, CSU Los Angeles, etc. In terms of repute, there is no doubt about it.

Hi,
All this information are easily available on the university website, please check here:
http://financialaid.berkeley.edu/cost-attendance
Regarding vegetarian food, the cost is mentioned as a whole, you can ask the admission office directly for more details.

If you are weak then you can take classes regarding its subjects.