Hello,

Yes, you will be eligible to apply for AFCAT if you study Mathematics from NIOS and pass in it with minimum 50% marks. The eligibility criteria to appear for AFCAT is that a candidate must have passed 10+2 with Mathematics and Physics with minimum 50% marks individually. And must have passed 3 year Bachelor's Degree or 4 year BE/B Tech (Four Year Course) from a recognized university with minimum 60% marks or equivalent. Or cleared Section A & B examination of Associate Membership of Institute Engineers (India) or Aeronautical Society of India from a recognized University with a minimum of 60% marks or equivalent. Candidates who are in the final year of the qualifying examination are also eligible to apply.