Dear Harpreet,

You have enough time to prepare for your JEE Main exam.

Joining a coaching institute totally depends on you. There are many students who have cracked their exam by self study.

Coaching institutes can only guide you at the end it's you and your hard work. 

JEE Main is one of the competitive level exam you need to be determined and self motivated to acheive you aim. 

In order to prepare you should make your proper time-table. You can set your targets on daily basis and for weekly as well.So, that you can complete your syllabus on time and you get proper time for revision.

If you want to score good marks in JEE Main make sure your basics are clear. Make sure you read NCERT books throughly. So, that you can solve tricky questions easily.

Class 11th and 12th are very important so don't bunk the classes and try to understand the concepts. Always clear your doubts. 

You should be aware of the complete syllabus, exam pattern and important topics.You should complete your whole syllabus and focus on important topics more. You can solve as many as MCQs. For exam pattern and to know level of questions you can refer previous year papers.

Solve complete mock test series to work on your time management and to increase your speed. With the help of mock test series you can analyze your preparation level and you will get to know your strength and weakness. So, you can work upon them.

Revision plays very important role in scoring good marks. You should revise your syllabus properly. You can make your important notes as well which will help you in revision.

All the best for your preparation!!