boards advice (ill crash out)

Guys genuinely tweaking how do u manage both boards n jee i switched from a board thats not cbse or state board to a jee coaching that follows state board syllabus and as a result i suck at memorising I can’t memorise last minute…I feel like there’s no time to prepare and the questions are really simple but there’s just a lot of volume..how do y’all memorise laq saq all that in like a short span of time pls help😭🙏