Hello,
AS a NEET score of 490 your Overall Percentile will be around95.63 - 96.13   and your Predicted Rank will be around 58390 - 70540

You have few chances at the following medical colleges as cutoff for bcb category is around 480+

Government Medical College, Mahabubnagar

Rajiv Gandhi Institute of Medical Sciences, Adilabad

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

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

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