Hello,

No, B.Architecture course is not being offered in National Defence Academy. The following degrees are offered at respective Academies on successful completion of training in National Defence Academy

• Army Cadets: B.Sc/ B.Sc (Computer)/ B.A
• Naval Cadets - B. Tech Degree
• Air Force Cadets - B. Tech Degree/ B.Sc/B.Sc (Computer)

You cannot join in NDA based on NATA score. You have to appear for NDA Entrance Examination conducted by UPSC, qualify in it and clear SSB and Medical Examination in order to join IMA/IAF/INA.