Place of Supply - Goods and Services Tax - GST

What would be the Place of Supply in following scenarios: Scenario -1 Bill to Ship to case Both Bill to and Ship to parties are GST Registered Billing Location Gujarat Bill to Address Gujarat Ship to Address Maharashtra Scenario -2 Bill to Ship to case Both Bill to and Ship to parties are GST Registered Billing Location Gujarat Bill to Address Maharashtra Ship to Address Gujarat Scenario -3 Bill to Ship to case Both Bill to and Ship to parties are UN-Registered Billing Location Gujarat Bill to Address Gujarat Ship to Address Maharashtra Scenario -4 Bill to Ship to case Both Bill to and Ship to parties are UN-Registered Billing Location Gujarat Bill to Address Maharashtra Ship to Address Gujarat