Hello Vishal

Inorder to get in the range of 200+ in JEE mains you need to be very concentrative on your strategies which you are following for your preparation ;

• Like if you have completed the NCERT then go with the other reference book for every subject.
• After the completion of your syllabus try to do the various mock test and test series for your confidence and to know the concept of every subject thoroughly.
• See, if you are preparing it from now then you need to leave those topics from which JEE rarely ask the question and try to focus on those topics where the chances of getting questions are more.
• And after the completion of your topic try to do the previous 10 years IIT-JEE paper which will help you a lot to understand the whole scenario.
• Believe yourself rather than your luck.

All the best

Hi
Your 10th standard academics are decent. However you have a declining graph. So it is really important that you maintain a high percentile in CAT to get calls from good IIMs.

I think you should start your preparation for CAT 2019 at the earliest. You can start preparing now. Join a good institute and take coaching. Start with preparing and strengthening the concepts first. Then slowly move on to mock tests and I think you will be well prepared.

Given your academic profile, if you are in general category, you need to get at least 95 percentile to get a call from any IIM.

All the best

Four major factors of concern which are pre-requisite for any design entrance are:
1) Relevance  Do prepare the relevant topics and subjects without any focus dilution. For example, start with the preparation for the Creative Ability test, do not jump towards the second stage (situation test) preparation in between or before CAT preparation.
2) Effectiveness- You need to spend time to enhance your creative skills. This would require sitting for prolonged hours with complete focus and concentration towards your target. Be a critique of your own work, do find errors and keep learning from your mistakes.
3) Efficiency  Make a list of your strengths and keep working on them. But give more time to the topics which are not your forte. Do not skip practicing the topics you have not done before. Keep observing and researching.
4) Sustainability  After completing a topic, do not keep it untouched for a longer time period as it may fade out from your memory which may reduce the quality of your work.  Keep revising the topics, it will be profitable in the long run.
Tips to Prepare for CAT (NIFT)
1) Develop objectives and goals:
Your goal should be clear to you, so that you have confident and planned approach towards your goal. Dont prepare to appear in the examination but set your target to qualify and get marks in the test. Develop your objectives to achieve your goal. You must be very sure about what are you preparing for. List out the topics you have to cover in order to qualify the examination. Check your strength and weakness and set objectives to improve
2) Prepare a methodology:
Make a draft methodology chart for your preparation, as you have to prepare for the test in stages and skipping or shuffling the stages can confuse you and may affect the quality of your work which may hinder your performance in the examination. Start with the fundamentals and basics of design.
This would keep you updated about your progress and will set a strong foundation for further stages.
3) Determined Approach:
Be determined and execute your plan thoroughly and rigorously. Keep in mind, if you just make plans and do not implement them then there would not be any significant progress in your quality of work.
4) Observation and Application based methods:
Keep observing your surrounding and vicinity; this would help you to understand the application of the topics you are practicing, as creative test is always application based.
5) Be Optimistic:
The examination is designed to evaluate drawing, visualisation, creative writing but other than this it also assesses the psychology behind your answers. Your answer will depict your psyche. One has to keep an optimistic approach by choosing positive, cheerful, confident topics, options and colour schemes.
6) Avoid Myths:
A common myth is that entrance exams are very tough or that the questions are complex and difficult to crack. It is just a different pattern of examination which requires different approach to understand the same subject that you have studied in school.
7) Time Management: 
Time management is a critical part in preparation of any exam as you have to maintain the quality of your answer and complete it in given time as well. Students should develop a habit of drawing complete answers and do it in a set timeline. So attempt the questions with such a speed that you can complete the tests within stipulated time.
8)  No Plagiarism, No shortcuts. Avoid focus dilution:
Do not copy answers from any available resources. Avoid plagiarism, as it would damage your imagination abilities and would deplete your thoughts, ideas and observation regarding the subject and topics and you will not be able to come up with any innovative answers.
Your focus should be strong and cemented, do not get distracted from unnecessary ideas or logics which are not applicable or unpractical with respect to your preparation. Remember, there is no shortcut for developing your skills; you have to keep practicing and observing.
9) Never quit mid-way:
Some people are in the habit of leaving jobs half finished. Quitting is a negative habit and wont take you far in life.
10) Keep revising, Keep retaining:
Here, revision refers to practicing the topics continuously as revision is always fruitful as it broadens the scope of developing innovative answers and strengthens the foundation of your preparation. Make sure that the weaker topics are revised more as they would require supplementary input.
11) Practice Sample Papers:
Practice past year papers thoroughly. This will give you an idea of the type of questions that are asked in an exam.
12) Remove Psychological Barrier:
Every battle is first won in the mind then on the ground. Psychological battle starts before the real battle comes in. And the greatest battle is not physical, but psychological.

Thanks,
Azim Musa Shaikh

Hie,

You must first know the complete syllabus and exam pattern for the IIT JAM exam. Then make a proper timetable which you can follow regularly. Divide your time equally for all topics and subtopics. You must also practice the question papers or sample papers or the mock test to have better hands on. You can also follow the link below to know all the latest update regarding preparation - https://university.careers360.com/articles/how-prepare-for-jam

All the Best

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