Yes, you can upload your customers, suppliers and product details into e-way bill system by preparing the data as per the format provided in the tools option in the portal and upload in the master option after logging in.
☑ Monthly | GSTR-11
GSTR-11 for the m/o May 2025 (Statement of inward supplies by persons having Unique Identification Number (UIN)).
☑ Annual | GSTR-4
GSTR-4 (Annual Return) for FY 2024-25 by Composite Taxpayer (Rule 62).