National Defense Academy (NDA) and Naval Academy (NA) Exam results are available online. Union Public Service Commission (UPSC) conducted NDA and NA written examination in April 2012 and the results of this examination are available. UPSC announced the final results on its official website www.upsc.gov.in which can be download.
Candidates who appeared in the Written Exam April 2012 for NDA and NA can check their roll no. along with the full name in the available document containing all the qualified candidates roll number with the full names. 
Candidates who appeared in the Written Exam April 2012 for NDA and NA can check their roll no. along with the full name in the available document containing all the qualified candidates roll number with the full names.
All the qualified candidates will go through Interview process held by the SSB (Services Selection Board) under the Ministry of Defense for admission to the Army, Navy and Air Force wings of National Defence Academy for the 129th Course and Naval Academy for the 91st Indian Naval Academy Course (INAC) which will held in December 2012 as per the schedule.
How To Check Results-
All the candidates who appeared in National Defense Academy (NDA) and Naval Academy (NA) Written Examination April 2012 can check their Names (or Roll No.) in the following document containing all the information regarding the further process for qualified candidates-