NIHE NEET/AIIMS/PGI md/ms exams

Do check it from local book store or you can get it from online shopping sites.

If you are from SC category. U have to score 400+, n if u from general category. Then competition is tough. You have to score 500+ for sure admission in MBBS. I am also a MBBS student. That is why I am telling you.

There is no limit on the number of attempts for AIIMS exam. You can appear in the AIIMS exam as many time as you want.

There are no such books that can make you a topper. Toppers don't ask questions like these. The correct question will be- How much dedication you can show while studying for the NEET or Mains exam. Books can only help you in guiding you. Apart from that, the whole journey of your success depends upon your hard work alone.
The books that you have mentioned in the question are also very good books and you can go for the, as well.
Hope this could help.
All the best.

Here is a little bit of theory in this book meant for quick revision. The problems are divided topic wise and are of various difficulty levels. This book is surely recommended for you if you want to master JEE organic chemistry.
If you want a book for theory purpose then O.P Tandon is certainly better.
For being a Master in problem-solving, you can buy JEE Tablet By Nirmal Singh (Part 1 and 2).

You need to be very thorough with the NCERTs of Standard 11th and 12th. Apart from that, you need to develop your MCQs solving skill. You need to solve as many as MCQs as you can.

Aakash live is the best. It will cost you around 1 lakh for 2 years or you can also take admission in Aakash iTutor. You can also try other apps like Topper.

AIIMS preparation needs more thoroughness. In AIIMS, you will get few questions from general studies also.
For NEET, be thorough with NCERT books. Solve as many as MCQs as you can.