If you want to apply with NOC 2271 then NSNP is the best option. It is non regulated there. Only drawback is that, NSNP online system is not properly maintained. Very slow and server down problem continuously. So application submission is very difficult job.
These are related forums.
https://www.canadavisa.com/canada-i...ovincial-nominee-program-january-2015.252227/
https://www.canadavisa.com/canada-i...s/nsnp-2018-nova-scotia-pnp-faq.535609/unread
https://www.canadavisa.com/canada-i...ry-category-b-lets-connect-here.515822/unread
https://www.canadavisa.com/canada-i...scotia-category-b-opens-dec-9th.532478/unread
Many thanks @ashuindian