There are 2 scenarios.
If a GST number is available in your Billing Address then GST is applied based on your Billing Address (Business Customer)
- If Billing Address State is Maharashtra then CGST + SGST is applied
- If Billing Address State is not Maharashtra then IGST is applied
If GST number is NOT available in your Billing Address then GST is applied based on your Shipping Address (Non-Business Customer)
- If Shipping Address State is Maharashtra then CGST + SGST is applied
- If Shipping Address State is not Maharashtra then IGST is applied