Appeal to Appeallate Authority.

I have apeal to appeallate authority to revoke my GST no. Dt. 06/05/2022 but after 20 days there is no reply. My GST No. was cancelled after period july to September 2017..and purchase done in this period after it was nil transection . It was composition gst no... If it is granted then what about return and tax. Now i want to do business as regular dealer... Pls. to guied me...