Reverse charge

1. If Reg dealer sells goods to unregistered person, he needs to collect GST on same. No RCM implication on that.

2. Since the said transaction is Exchange and Supply includes Exchange, same is liable to GST. The value of supply should be considered as market for determining GST.

3. Composition scheme can be availed as it is not a supply of service. You are not expected to collect GST i pon sales but, need to pay as a percentage on TO. This included transaction such as exchange.

Edit :
2. Value of transaction should be considered as market value

RCM Applicable is registerd person purchase form URD.