Dear A Nithin,
Private medical colleges give seat for mbbs at a score of 284 marks since your score is low for you to get into a government medical college even if you belong to a certain category. I am adding the link below for you to check out the cut off for the deemed university mbbs cut off.
https://medicine.careers360.com/articles/neet-cut-off
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile