Any experience with Paper-driven IT Cases?

Hello friends! I have an upcoming interview at Capgemini for the role of a Business Consultant in their IT graduate programme. From what I understand, it is a paper-driven case where I am allowed to use my laptop to research. I have 1 hr preparation time, and another 1 hr presentation time. Does anyone have a guide on such case interviews? Most of the case interview structures I've read (especially from books) are more focused on Interviewer-led cases.