NDA stands for National Defense Academy is the place where the brave hearts of the Indian Army are shaped up. It is a service academy of Indian Armed Forces where candidates are trained for the Air Force, the Navy and the Army. NDA exams are conducted by the Union Public Service Commission (UPSC) and issuing guidelines for selection with the conduction of finally entrance examination. The examination is held two times in a year in the month of April and August or September. There is a certain eligibility criteria for NDA examination as 10+2 and 10+1 candidates can only apply with the age of 16.5 to 19 at the time of commencement of training. NDA exam comprises of two sections such as mathematics of 300 marks and general ability test of 600 marks i.e. total 900 marks. Both the section is of objective type having four options and you need to choose the correct one. Examination paper will be set in English as well as in Hindi language. Calculators and other devices are not allowed in this exam and the duration is around 2 hours and 30 minutes for each section of paper. You can do preparation yourself by referring some books and self study guides like books for NDA Exam Entrance Preparation, NDA Mathematics and NDA previous sample paper which are easily available at book stalls and shops. You can do practice with the help of old papers and sample papers which provides you a rough idea about the exam and also clears you about the pattern of questions comes in exam. Apart from these, you must be aware about the happenings in your surroundings such as political news and events and be aware about the social responsibility etc which may help you in general ability section of exam. Moreover students spend their more time on internet and various websites are available online which offer you a platform for the preparation of NDA exam with self conducting tests that may help you in your practice and also show your improvement area so that you came to know in which area you need to improve. In addition increase your general knowledge about current affairs and go through the topics related to diseases and causes, animal kingdom, plant anatomy and morphology etc. And if you are looking for the institute then there are many training institutes available which guide you how to prepare for NDA exams and trained you to clear the interviews conducted by the UPSC. They provide training for the written exam and interview and also enhance your skills in general awareness, communication and personality development. They conduct special course and crash courses for NDA written exams and trained the candidates to face the exam and interview with confidence. They help to assess where you stand and help in planning your preparation schedule as well with the surety of success in NDA exam.