What are the conditions must be fulfilled in order to pass the test of permissible classification under…

Either The classification must be found on an intelligible differentia which distinguishes persons/things that are grouped together to other left out of the group or The differentia must have a rational nexus to the object sought to be achieved by the state.

Both The classification must be found on an intelligible differentia which distinguishes persons/things that are grouped together to other left out of the group and The differentia must have a rational nexus to the object sought to be achieved by the state.

The differentia must have a rational nexus to the object sought to be achieved by the state.

The classification must be found on an intelligible differentia which distinguishes persons/things that are grouped together to other left out of the group.