Hello,
As per previous year data under state quota for EWS Category, 578 marks with respective rank of 14427 secured a seat in Government Medical College, (Bettiah) and further taking into consideration the fact that cut-offs are going to increase this year makes it quite difficult in your case to secure a GMC seat, you should explore other options of private colleges or deemed university, check out previous year cut-offs at https://medicine.careers360.com/articles/neet-cutoff-bihar
Cutoffs vary every year based on multiple factors such as seat matrix, marks obtained in exam, toughness level of paper, total number of candidates participating in the exam etc.
To know more about admission possibilities in various colleges you can use our NEET College Predictor; https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer
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