Hello,
Congratulations on your score you have high chances of getting into government medical colleges of your state and government seats at private medical colleges of karnatka as last years cutoff was 442+ for general category in karnatka under 85% quota.(general category)
You have high chances of getting into the following government colleges

Raichur Institute of Medical Sciences

Bidar Institute of Medical Sciences

Mandya Institute of Medical Sciences

Hassan Institute of Medical Sciences

Gadag Institute of Medical Sciences

Koppal Institute of Medical Sciences

Gulbarga Institute of Medical Sciences

ESI Medical College, Gulbarga

ESI Medical College, Bangalore

Shimoga Institute of Medical Sciences

Mandya Institute of Medical Sciences

Karwar Institute of Medical Science

Chamarajanagar Institute of Medical Science

Kodagu Institute of Medical Sciences

With 500 NEET score your Overall Percentile will be around   96.11 - 96.61 and your NEET AIR Rank will be around 51572 - 63722

However these information is based on last years cutoof and as cutoff changes everyyear depending on factors like difficulty and number of candidates and recent COVID19 situation etc.

You can use careers360 college predictor to know the colleges you can get at your NEET score;-