Hey dear, seeing last year's cutoff which went very high that even studnets getting 500 were unable to get a govt. Mbbs seat. So dear, with 250 marks you won't get an mbbs govt. seat whatever category  you belong to. And for bams and bhms too this score is too low but stay tuned to counselling of bams and bhms, you may have chance in it. For more information regarding marks and ranks go through this link:

https://medicine.careers360.com/articles/neet-result-marks-vs-rank

You can also use college predictor through this link:

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

Hello venkuraju4 , From some research I found that it is not enough for getting government colleges but you can try for deemed university for that or you can predict college on the basis of your rank for rank you can use:

And for college prediction use:

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

Hope it will be helpful for you :)