Hello!

With a score of 200 out of 720, you will be able to secure a rank of 535336 - 610486. You can check it by yourself at

Since, you want to avoid the counselling agents, you will have to do everything that is needed by yourself only. I'm providing the link of college predictor tool which will be of much use in knowing the expected colleges you can apply for.

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

You must register for All India counselling including private and deemed universities. You can also register yourself for state counselling as the private universities take admissions through state counselling too. Here is a list of Private Medical Colleges, you can go through.

https://medicine.careers360.com/colleges/list-of-private-medical-colleges-in-india-accepting-neet

It will surely help you in taking the right decision.

Good Luck!