Query of exam form urgent

Dear Members,

                        While filling exam form for final online,there is a column "LAST APPEARANCE DETAILS OF FINAL EXAM".There are two columns.Please guide me ki kya last two attempts ka fill krna hota h ya sirf last attempt ka?aur agar last attempt nhi dia tha toh uske last attempt ka ya last two attempts ka?koi bolta h sirf last attempt ka aur agar wo nhi dia toh uske last attempt ka.aur koi bolta h avi tak jitna dia h sabka bharna jaruri h