Dear Akhil, once your AIIMS basic registration has been accepted, tje process of final registration will begin. As a pre step for this seat matrix and the prospectus will be uploaded. This means that the handbook of AIIMS entrance examination will be uploaded. It isn't available for everyone. It is only uploaded for those students whose basic registration has been accepted. It is like a manual that you can follow to fill in tje final registration process. It contains information about the counselling and admission process.