i am preparing for jee mains and advanced and scored 70 perc...

Prompt

i am preparing for jee mains and advanced and scored 70 percetile this year. I am a jee dropper now. i have less than 5 months for jee mains january attempt. i want to score 99.9 percentile in january attempt. what should i do from now onwards, and what resources should i do to get guaranted 99.9 percentile. i dont want resourse hoarding.