UPSC NDA & NA (I) Exam 2022. Union Public Service CommissionUPSC NDA & NA (I) Exam 2022 details. UPSC has Published a notification for the recruitment of the National Defence Academy & Naval Academy Examination (I), 2022 (Indian Naval Academy Course (INAC)). Posts: 400 Application Fee : For Others: Rs. 100/- For SC/ST candidates/ Female/Wards of JCOs/NCOs/ORs: Nil