What is the eligibility criteria to pursue IATA training course?

The minimum 12th eligibility is 12th pass out with 55%. There are many IATA courses being offered and to know about the institutes offering those, kindly refer to the following link: http://tinyurl.com/ylqtrme As a fresher, a person may get from 30-40K per month with a good raise upto 60-70K per mon