Mandatory entry of HSN in GSTR-1

HSN level reporting in GSTR-1: integrating and auto population of e-Invoice/e-way bill Data with tabel 12 of GSTR-1

In the later phase, Govt. Is planing to make mandatory of entry of HSN in GSTR-1. If you don't fill HSN in GSTR-1, you can not file the GSTR-1