Sir I filled the form all steps are done but I have not seen any 'final submit 'button on screen & my confirmation page is not printed.??
If you would have completed all the processes properly then its unlikely to such problems be occured but still either you cross che k or keep refreshing the page.Its confirmed that there is some issue by the end of aiims on their website as lots if students a re facing number if issue that will ve resolved sooner or later.
Good Luck