Hello,

At a NEET score of 399 your Overall Percentile will be around 89.74 - 90.24  and your Rank will be around 141298 - 173448. So there are less chances for admission in government colleges as the cut of is high.
Still you can apply for admissions at private colleges at karnataka and maharahtra and madhya pradesh as their annual fees is around 5-6 lakhs/year.

You can use our careers360 college predictor to know the colleges you can get at your score: - https://medicine.careers360.com/neet-college-predictor

Hope this helps