Hello dear student !

Both , Allahabad University as well as Banaras Hindu University, are very renowned universities of India. And both are excellent in terms of infrastructure, academics and faculties. Though Allahabad University is also known as "Oxford of the east" , and is fourth oldest university of India, but Banaras Hindu University has great name and fame. It has very large campus and that also includes IIT as we as medical college.

So you can definitely prefer BHU if you want to seek opportunities in academic field.

But if you want some political field exposure and civil servant than you can prefer Allahabad University.

Hope this will help you!