Hey there, You have scored 512 marks in NEET. With these marks, there are fewer chances of yours is getting admission in a government college. As your father in defence, you can easily take admission in some Army Medical Colleges. I would like to suggest you for checking the colleges first in your home state so as to get a seat in home state quota too. 

I would personally suggest you use the NEET Predictor and explore various colleges according to your category and home state quota and choose the best one for you as this college will be your future lifeline.

https://medicine.careers360.com/neet-college-predictor?icn=neet-clgpd_landing-page&ici=prediction-section_c360-home