1) if Registered person supply of goods to un-registered person, then who will pay gst.
2) if Registered person supply of services (normal) to un-registered person, then who will pay gst.
3) if Registered person supply of services (notified under reverse charge) to un-registered person, then who will pay gst.
4) if UN-Registered person supply of services (normal) to un-registered person, then who will pay gst.
5) if UN-Registered person supply of services (notified under reverse charge) to un-registered person, then who will pay gst
6) if UN-Registered person supply goods to un-registered person, then who will pay gst.