Hello Soumya, 

A 590 can get you a good government medical college seat.

Since you hold the domicile of Bihar you have a high chance of getting a seat in one your state government colleges both under 15% AIQ as well as 85% State quota.

As for the cutoffs of 2018,the last candidate to get a government college in bihar under 15% AIQ had around 541.And through 85% state quota the last score was about 533.

So you have a fair chance. 

Incase you wanna apply for government colleges of other states you can apply in colleges of UP, karnataka, odisha etc

According to the cutoff trends of last year a 590 could get u a good seat.

Having said this, these are just assumptions on the basis of the cutoff trends of last year. The cutoffs change every year depending on the no of candidates, level of questions etc.

You can also checkout the link below for further assisstance:

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

Good luck:)