Hello aspirant ! Let me to inform you that there are a lot of colleges related to medicine in bihar state. With this it's quite difficult for you to get into a government medical colleges through bcece. However you can get admission in the private ones. You can check the cut off details for different courses like mbbs, bvsc , veterinary colleges from the link below :

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-bihar/amp