hello dear,
there is no chance to get a govt. seat in Bihar with this rank because last year cutoff marks were 538 in OBC category.
check it out the last year cutoff: https://medicine.careers360.com/articles/neet-cutoff-bihar
you can try it out college predictor:
https://medicine.careers360.com/neet-ug-college-predictor?icn=neet-clgpd&ici=qna-answer
good luck
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile