@Ravi Shah Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
As I understand you are unable to sign-in into the Azure Portal am I Correct? Or You getting "Select an offer for your subscription" while creating Azure Storage Account?
In which region are you trying to create the Storage account and how(portal, Powershell, CLI and more?
This guide helps to resolve the issues in which you can't sign in to the Azure portal.
How to create a Azure Storage Account:
Change your Azure subscription to a different offer
Troubleshoot issues when you sign up for a new account in the Azure portal
If the issue still persists, Can you share the screenshot of the issue? I would like to work closer on this issue
Please let us know if you have any further queries. I’m happy to assist you further.
Please do not forget to and wherever the information provided helps you, this can be beneficial to other community members.
@ RaviShah-7816 Can you please share the screenshot of the issue?
I asked a reseller for help and they added a subscription for me.
Thanks for the help.