sir i get 518 marks in neet 2019 can i get acms my father is ex-army man?

Dear candidate,
Following is the list of opening and closing rank of ACMS under various categories in the year 2017
Open rank.              Closing rank

• Army category.  5638 (578marks)  19614(519marks)
• Defence cat.     33446(425marks).  457348(155marks)
• St/SC.                 43304(460marks). 173075(301marks)

The army category involves the wards of both serving personals and the ex-serviceman, there are various priorities according to which admission is done.
The defence involves the other forces i.e. indian air force and indian navy.
I hope this helps.
All the best for the future!!