Hello , 

As your query is you want to take admission in FIITJEE as a dropper student and you want to know that what are the important topics of Mathematics, Physics and Chemistry that you need to concentrate and prepare for the admission test of FIITJEE.

I would like to tell you that all of the stuffs all of the topics that are included in Mathematics, Physics and Chemistry are important. All that matters at the time of preparation is what is your strong part, you need to focus more on your strong parts and you need to go with that, you need to make sure that you can prepare your weak portion in the phase of uears left with you but at the time of entrance exam of FIITJEE your focus should be more on the topics that are more known to you and you well understand and with those topics appear for the exam there is nothing to worry about, prepare for the exam and clear the exam and if you need any other detail about any topic we can help you with that, more importantly you can go with the last few years question paper bank of IIT JEE entrance exam and look for the questions or the units which are consecutively asked in every year the entrance exam of FIITJEE will be definitely based on that for a drop of student.

Further, if you need any other detail you can let me know in the comments section below we will definitely help you with that.

I hope your query is solved.

Thank you.