I along with all AIIMSonians sincerely believe and say to aspirants that it’s not a month or days work, you need almost a year fro proper preparation. But there are exceptions and you may be one so need not worry. What one should understand is AIIMS always focuses on concept be it any subject. The clear cut message is to read NCERT for Biology (thoroughly). Chemistry portions like inorganic come directly from NCERT. So, at least try scoring max in these parts. Now comes concept part. For Physics, do as many MCQs as possible with equal emphasis on Modern Physics. Chemistry - Physical Chemistry generally do not have much twists what’s need to be kept in mind is doing it correctly and not making silly mistakes like sign inversion. 

All the best ! Hope to see you being a part of this AIIMS Family soon.

Hii

Aiims entrance is considered to be the most difficult exams but if you are well prepared, you can crack it easily.
First of all be clear with the basics and NCERT. After that try to solve the previous year papers and sample questions of eacha and every chapter.
Be focused and revice every bit of the syllabus. DO not leave anything.
Try to solve as many questions as possible.
Use proper study material and guidance.

You can refer to our online coaching which will help you to clear your exams. It provides study material, test series, expert guidance, difficult concepts and much more.
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Hope thi shelps

Thanks!!