Dear Aspirant 

510 is a moderate score. You would have been able to get into a medical college easily if you would have scored above 550. This time the cut-off is likely to get increased

However, try the college predictor to know the colleges you may get according to the score you are expecting

https://medicine.careers360.com/articles/neet-college-predictor

 Also this one-https://medicine.careers360.com/articles/neet-cutoff-maharashtra

Good Luck!