IIIT Hyderabad UGEE 2020 - how do I prepare for the exam REAP and SUPR?

Hi everyone! So I have applied for the UGEE 2020-2025 course under IIIT Hyderabad and am really looking forward to getting admitted under it. Can someone maybe help me out as how do I prepare for the exam REAP and SUPR? I really want to crack both the exam as well as the interview and any 'useful' tips would help me in that!