I have to submit app for apple review but my concern is once we submit the app along with relative information to be posted in the app store (description, etc), is it easy to resubmit this info later if any changes required?
Thanks all, I have found useful information on apple's own web pages. And it states that there are field marked with (*) can be updated at any moment but other than that we cannot modify any other fields.
Some Fields which can be updated
Some Fields which cannot be updated
We can find more detailed information on following links