Hello aspirant, congratulations on performing well in NATA 2019. Besides the fact that your score is exceptionally wel, I would like to tell you that admission in B. Arch in Government colleges generally takes place on the basis of either JEE MAINS Paper 2 or NATA. According to your score, you might face a bit of competititon from the category students. However, I would suggest you that you should keep on applying to the colleges government as well as private in order to secure a seat.

Good Luck!