Khadur Sahib: NDA passouts and former students of Nishan-E-Sikhi preparatory Institute (NDA) addresses the current batches of the institute. They said that focus on regular study, knowledge and confidence is the key to crack the NDA written and practical tests including SSB.Addressing the students, S.Adesh Parkash Singh,who Joined as an air force officer said that, in the air force one has to be in-touch with upgrading knowledge through out the career. Meanwhile Inderpaul Singh, who joined as a Navy officer after NDA, said that focus on regular study and pray for god’s grace.It should be a regular routine for sincere students. KaarSewa Head, Baba Sewa Singh also addresses the students.wledge throughout the career. “written tests are to test your knowledge, physical tests for athleticism and agility while interviews are for the assessment of your confidence and conceptual clarity.” he said. Meanwhile Harsidakpaul Singh,who joined The Army as officer Said, “you should study maximum in the classroom, otherwise you could face difficult times in future. He said that regular class study and revision can ensure your success in NDA.