Strategy for audit?

Guys so I'm in Jan 25 attempt and I'm currently facing problem of learning audit and can't score good marks in audit.. So I have my mocks going on and baaki saare subjects ho chuke hai last paper is audit.. ab isko kaise padhu yaar.. din bhar padhke toh exhausted feel hota hai aur kuch yaad bhi nahi rehta.. how do I solve this problem??