As there is no information out for NEET 2018 cut off for St.Johns medical college but according to previous year trend the safest score should be 500+ so you are advised to get as much as you can so that you can easily get seat there.
Good Luck!!!
College Comparison based on Courses, Placement, Rank, Fee
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile