Correct option is A
There is no fixed limit on the number of attempts for the IB ACIO exam. As long as candidates meet the age limit (18 to 27 years) and possess a valid graduation degree, they can apply multiple times. However, age relaxations are available for certain reserved categories like SC, ST, OBC, and departmental candidates, as per government norms. While attempts aren’t restricted, candidates are advised to prepare thoroughly each time and treat every attempt seriously, since the competition is high and the selection process is rigorous.