Hi Shubham Jadhav:
Thanks for reaching out to Microsoft Q&A.
can you check if you are using the right email which could view the subscriptions? did you try to sign-out and sign-in and still facing the same issue? also how long after creating the subscription you are trying to see it?
Please 'Upvote'(Thumbs-up) and 'Accept' as answer if the reply was helpful. This will be benefitting other community members who face the same issue.