You can follow below strategy for different subjects to score good marks in your exam

Physics:
* Note down the formulae and results, it will help during revision.

* Practice as many questions as you can, keeping in mind the availability of time.
* Avoid lengthy and complicated problems at the last minute, if time is limited
* Focus on your strong areas.
Suggested Reference Books: H.C. Verma

Chemistry:
* Chemistry is amongst the tough subjects as it involves cramming of formulae and reactions.
* Understand the conceptual base of the topics.
* Periodic table is the most scoring part.
* Suggested Reference Books: O.P. Tandon

Mathematics:
* Conceptual understanding should be preferred.
* Practice a lot.
* Suggested Reference Books: R.D. Sharma and Arihant

As we all know JEE Mains Exam is the toughest entrance exam for engineering it requires dedication and hard work.

·         To prepare for JEE Mains firstly be aware from all the syllabus of the exam and in last time revise all the topics which you have prepared earlier.

·         Preferred good reference books.

·         Make short notes.

·         In last minutes focus on important topics of all three subjects.

·         Concentrate on formulas, theorems and reactions.

·         Be aware with JEE Mains 2018 Dates to being updated with exam activities.

·         Solve last years JEE Mains papers and online mock test papers to make strong your weak points.

·         Clear your doubts.

·         Be positive, be hopeful and be confident.