Important formulas, read NCERT ,solved previous year question paper this is a very important things which you need to do because if you remember formula then there were good chances that will save your time, NCERT is the backbone because most of the questions will directly come from NCERT in chemistry, and maths and physics the whole concept wil be based on NCERT.
JEE Main 2020 College Predictor
Know your college admission chances based on your JEE Main Percentile
Listen you have been preparing earlier and you are asking for a one month strategy then i can definitely help you out.But if you haven't u prepared for jee yet and still trying to crack it in one month then only god can help and i can advise you to appear in april jee with preparation.
So, if you have prepared.Its last one month keft for life's most important exam.Give whatever you have.Consume this one month wisely and smartly.Revise everything and don't try those chapters that you feel tuff and time taking and you have already left it.