When it comes to choosing a career in the armed forces, students often wonder about the difference between NDA and CDS. At Shield Defence Academy, the leading name for NDA coaching in Lucknow, » aspirants are guided clearly on both options. The NDA (National Defence Academy) exam is for students who have passed or are appearing in 12th, offering direct entry into the Army, Navy, or Air Force as a cadet. On the other hand, the CDS (Combined Defence Services) exam is for graduates aiming to join the forces as officers through the IMA, OTA, INA, or AFA. Shield Defence Academy prepares students for both, helping them choose the right path based on age, qualification, and long-term goals.