The eligibility criteria is different for Junior Executive Air traffic Control and Airport Operations. As per the eligibility criteria, candidate must has done BSc with Physics and Mathematics of at least three years or the candidate has done bachelor's degree in engineering in any stream with a minimum of 60% marks but have studied Physics and Mathematics in any of the semesters
And for Airport Operations, the candidate must have completed graduation in Science and MBA of 2 years at least or else he has done Bachelor degree in Engineering with at least 60% Marks.
For general category candidate, the maximum age to apply for the role is 27 years as on October 30, of this year while there is 3 years relaxation in the upper age limit for OBC Candidates and 5 years relaxation for Sc, ST candidates. Now if you fulfill this criteria you can apply for the post.