The persons who only supply goods/services on which reverse charge applies, are exempted from registering under GST registration.
For example, For example, Ola Cabs enlist drivers to ply their cars. Drivers are providing chauffeur/driving services to Ola and Ola is the service receiver.
Ola pays GST on the drivers’ services on reverse charge basis. Drivers are not required to register under GST thus removing the burden of tax compliance from individuals with limited resources (drivers) to large companies (Ola) with enough resources.