The permissible age limit for enrolment in IAF is from 17 to 21 years as on date of enrolment. The Selection Test for enrolment is conducted in two cycles ie January to June and July to December. After completion of Selection Test all the qualified candidates undergo Medical examination in the month of July for Jan to Jun cycle and in the month of January for the Jul to Dec cycle. Thereafter Provisional Select List is published on 31 Oct for the Selection Tests held in the Jan-Jun cycle and on 30 Apr for the Selection Tests held in the Jul to Dec cycle last year. The whole process takes from 07 months to one year. Considering all the above mentioned aspects the Date of Birth block for Selections Tests scheduled to be conducted during an exam cycle i.e. Jan-Jun & Jul-Dec, is prepared.