Hello,While applying SSC cgl2024 form be careful to fill this PREFERENCE ORDER.YOU NEED TO FILL GROUP CODE NOT POST CODE.Let me explain you,u2022Group code means (A,B,C,D) categoriesu2022Post code means (A,C,E,H,%,@,$,..)For suppose if you don't want AAO post or don't have a degree in accounts you must skip Group code:A. Then Your order can be b,c,d or like thisu2026After successfully qualifying tier 1,2,3 you are asked to give POST order according to group that you have given in application form.Hope it helps :-)