NDA
Usually the first officer-entry window after 10+2. Defence Road tracks NDA separately for Maths, English, GAT and current affairs preparation.
Defence Age Eligibility Calculator
Check which Defence Road exam paths may be open for you across NDA, CDS, OTA and AFCAT. Enter your date of birth, education level and basic eligibility details to see a quick preparation direction.
This calculator is a planning aid. Final eligibility depends on the official notification, exact cutoff dates, educational rules, medical standards and branch-specific conditions.
Check your eligibility
CDS/OTA
Graduate-level Army, OTA and Air Force routes through CDS. CDS Maths is kept separate because OTA does not have Maths.
AFCAT
Air Force entry with Flying and Ground Duty paths. Some branches require Physics and Maths at 10+2 level.