Hello,
The following is the list of documents required to be verified for apicet counselling-

Ap Icet hall ticket
Degree Marks Memos / consolidated marks memo.
ApIcet rank card
Degree Provisional Certificate.
Intermediate Marks Memo / Diploma Marks memo.
S.S.C or its equivalent Marks memo.IX to Degree Study Certificates or Residence Certificate (in case where the candidate has no institutionalized education) or Residence Certificate of either of the parent in AP for 10
IX to Degree Study Certificates or Residence Certificate (in the case where the candidate has no institutionalized education) or Residence Certificate of either of the parent in AP for 10 years excluding the period of employment outside Andhra Pradesh from the competent authority in respect of Non-Local Candidates.
Income Certificate issued after 01.01.2014.
Caste Certificate issued by competent authority.
Aadhar Card (Xerox will also be returned after verification).

If you donot have any of the above certificates, contact apicet for clarification.
Good Luck!