This link has the same instructions, but also has the "how to activate" section to get your new Public Mobile sim card working : https://www.publicmobile.ca/en/bc/get-help/articles/activation-account-set-up
Hi @gupta , in case you haven't seen this page, I found it helpful when I transferred from another company to Public: https://www.publicmobile.ca/en/bc/get-help/articles/choose-your-phone-number