The document provides information about becoming an officer at the National Defence Academy of India. To apply, candidates must be between 16.5-19.5 years old and have completed class 12. The selection process involves a written exam conducted twice yearly by UPSC and a personality-based interview. Candidates are advised to start preparing early by strengthening their math and science foundation, taking the science stream after class 10, keeping up with current affairs, and developing a well-rounded personality ready to assume responsibility. Other opportunities for those who have completed class 12 include the 10+2 Technical Entry Scheme requiring an aggregate PCM mark of over 70%.