Your score of 518 is really appreciable but as you also know that it's not sufficient for you to get a MBBS Seat in any Government Medical Colleges until and unless you belong to any Minority.

Talking about your question of taking drop or not, then I am strongly recommending you to go for a Year Drop rather than moving on to the other courses like BDS or BAMS.

Taking a drop gives you an another opportunity to again prepare yourself so well that you can answer any question asked in your exam and grab your MBBS Seat in your dream medical college.

1. You just have to keep practicing MCQs with taking less time within 30 seconds to 1 minute.
2. Read NCERT textbooks as much as possible. Minimum is 3 times atleast.
3. Clear all your concepts and doubts.
4. Learn from your mistakes and don't repeat those again, etc.

Here are some tips for you to ace in NEET UG 2023 :-

https://medicine.careers360.com/articles/neet-preparation-tips/amp

You can predict your Rank using this link :-

https://medicine.careers360.com/neet-rank-predictor?utm_source=qna&utm_medium=neet_rp

If you wish to go for BAMS then here is the list of Top BAMS Colleges in India :-

1. IMS BHU - Institute of Medical Sciences Banaras Hindu University
2. Government Ayurved College and Hospital, Nagpur
3. State Ayurvedic college and Hospital, Lucknow
4. Podar Ayurved Medical College, Mumbai
5. CSJMU Kanpur - Chhatrapati Shahu ji Maharaj University
6. KUHS Thrissur - Kerala University of Health Sciences
7. Government Ayurvedic College Hospital, Patna
8. Government Ayurved College, Nanded
9. NTRUHS Vijayawada - Dr NTR University of Health Sciences
10. Government Akhandanand Ayurved College, Ahmedabad

For more details of these colleges you can visit here :-

https://medicine.careers360.com/colleges/list-of-medical-colleges-in-india?ownership=Public/Government&degree=B.A.M.S .

You can predict your college using this link :-

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

Hope this helps. All the Best.

Thank You.