Basic Criteria for these stream is :
The ENS allows Australian employers to nominate international workers for permanent skilled positions in their business, that cannot be filled as a result of Australian labour shortages
The Regional Sponsored Migration Scheme allows Australian employers who are based in Regional and smaller cities of Australia to nominate international workers for permanent skilled positions in their business.
This visa enables employers to address labour shortages by bringing in skilled workers where employers can’t source an appropriately skilled Australian worker.
Stay. The Time frame for these visas is 2-4 years and The occupation should be on the short-term skilled occupations list