Hello,

You have not mentioned the exam name specifically, Air Force conducts various entrance exams for various entries but no matter what the exam is you can appear in the exam but if you are selected for AFSB and while verifying your documents if your DOB doesn't match then you will be ineligible to appear in further stages of interview.You cannot correct the date of birth by any means.You may have to appear next time if you are eligible.Please be careful while filling the application form.