National Defence Academy (NDA ) Exam is Conducted by UPSC Twice in a year to select the Young Officers for the Indian Army, Indian Navy and Indian Airforce. NDA 1 2024 Exam is scheduled in the Month of April for which NDA 1 2024 Answer key pdf of all the Sets of Question Paper is Released through the Official Site of UPSC . Separately NDA 1 2024 Answer key pdf is Released by the UPSC NDA 1 2024 Maths Answer Key SET 1 SET 2 SET 3 SET 4 Download Download Download Download NDA 1 2024 GAT Answer Key SET 1