Please refer Form No. 217 of Gujarat VAT Rules. Normally in such circumstances, Local branches of ICAI take initiatives, you may contact your ICAI branch for the same. In Assam, a book on audit under AVAT Act was published by Guwahati Branch.
you can purchase GVAT Audit Manual, which is published in gujarati language but format of VAT Audit Report is given in enlish and detail of check list and various audit information is provided in that book.