How can I ensure data and E-invoice sync between BUSY and the GST portal?

To ensure data and invoice sync between BUSY and the GST portal, you need to confirm the below option:
Condition 1: If an e-invoice is generated within 48 hours, then you will ensure it from both BUSY and the e-invoice portal.
If it was generated from the e-invoice portal, then follow the below steps:
Step 1: Visit the E-Invoice Portal. Go to the e-invoice portal's website, which is typically provided by your country's tax authority. In your case, the website is https://einvoice1.gst.gov.in.
Step 2: Log in, Click on the Login option on the portal's homepage. Log in to the e-invoice portal using your registered credentials.
Step 3: Generate an e-invoice in bulk. After logging in, look for the option to view an e-invoice. Click on this option and ensure the data and e-invoice details sync with the e-invoice portal.
or
Condition 2: If it's been over 48 hours, follow these steps:
Step 1: Log in to the GST Portal at gst.gov.in.
Step 2: Go to the return dashboard.
Step 3: Select the relevant return period.
Step 4: Click the search button.
Step 5: Choose GSTR 1 to view your return details.
Step 6: On the GSTR 1 screen, click on E Invoice to access the history.
Step 7: You will find the option to download e-invoice details in Excel format.
After downloading, you can ensure the data and e-invoice details sync with the GST portal.