250 Makrs in NEET is a okish marks for an aspirants you are not eligible to get any governmnet colleges but you can opt for private colleges  infact some reputed private colleges where you can study for MBBS or dental according to your eligibility .

To get to know more about which college you can get you can follow the given link:

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

best wishes for your future,