Gstr 2a & ammendments

Sir In GST-2A whats the meaning of YES or NO against each supplier???

In GST offline tool for GSTR 2A can we accept/modify/reject???

What is the procedure for change of mobile no and e-mail

I have applied for Trade name amendment in GST using core fields. It has been 1 week but still it is Pending for processing,, Please guide whats the best solution

Thanks V.Vishnu