hi,

I assume you are asking about railway travelling  ticket examiner role , however it is a rail way group C post.

the age limit is 18-30 years, however relaxation applied for reserve category candidates.

the education eligibility criteria is as follows,

candidates must have completed 10th or 12th course or diploma course from a recognized education board, however graduates are also eligible to apply if they have the mentioned age limit.

hope it would help.