Hello, 

As per your requirement, i would say that as you want admission in the above mentioned collegr under christian minority category from ap state as you have its domicile so you can definitely do get its reservation. 

As you got 412 marks in neet ug exam and also you have reservations of seats so definitely you habe a chance to get mbbs or bds seat in ap medical college.

Getting a seat in government medical college is depending on many factors like studenrs to seat ratio, cut off, reservation, ranking of college, etc

Good luck