Gstr 2A earlier showed all purchase bills but now only one

This is regarding the Gstr 2a of October 2018 month. When I checked it on around 13 Nov. 2018 it was showing up all my purchase invoices. But now it is showing up only 1 invoice. where all other invoices gone? Our suppliers have told us that they included our bill in their Gstr 1.
when asked about this from GST customer care they told us to wait till next month's Gstr 2a gets populated.