How do I access the JSON file that was generated?

In BUSY You can download Json file to upload it on GST portal Before uploading you need to download this from BUSY please follow below steps to download this
Step 1: Open the Display menu and select GST Reports.
Step 2: Choose GST Return and then the return type you want to generate, such as GSTR-1 eReturn
Step 3: Choose the report format you want to generate, such as Direct upload, Json, CSV File, As per Govt. Template, or Plain Excel.
Step 4: For Govt template you need to download then template from the portal and specify the template path while generate return.
Step 5: For GSTR-1 CSV you need to export CSV and then import in GST offline utility and generate return.
Step 6: For Json click on Json option & Select the necessary option there after choose the eReturn file path and then look for possible errors then generate the JSON file.
Step 7:Visit the official GST portal (https://www.gst.gov.in/).
Step 8:Log in using your credentials (GSTIN, username, and password).
Step 9:On the dashboard, go to Services and select Returns.
Step 10:Choose the financial year and the relevant return filing period.
Step 11:In the GSTR-1 dashboard, select the Upload JSON option.
Step 12:Click on the Choose File or a similar button to browse and select the JSON file that you prepared earlier.
Step 13:Upload the selected JSON file.