AZURE SUBSCRIPTION
Azure subscription can be considered as billing unit which aggregates cost of all the underlying resources under that specific subscription. It also helps for governance and security. A subscription contains resource group and resources under the resource group. Each subscription is associated with a subscriptionID.

TYPE OF SUBSCRIPTIONS
ENTERPRISE AGREEMENTS
This are made for large organizations, and this requires agreement with Microsoft and estimated cost needs to be paid upfront.
PAY AS YOU GO
Pay as you go provides better flexibility and it’s ideal for business who doesn’t have measure estimates, so this allows only to pay for what organization uses, scale up or down as needed and maintains a better control over cloud cost.
CLOUD SOLUTION PROVIDER (CSP)
Through this subscription plan organization can partner with expoert cloud solution providers (CSP) for tailored solutions. So organization will be taking subscription from CSP rather than directory from Microsoft.
FREE TRIAL
Its best option for azure beginners and it’s good option to explore azure features and accessing it’s capability without initial investment.
AZURE FOR STUDENTS
If you are a student and can authenticate your identity as student than one can utilize this subscription. this provides free access to azure resources and provides some credits also.
VISUAL STUDIO SUBSCRIPTION
This subscription is usually for developers, it combines the power of cloud resources with robust development tools or visual studio enabling seamless creation testing and application deployments. we can this subscription if we buy visual studio enterprise version or professional version. it provides specific monthly credits which refills each month till be keep VStudio subscription.
To see all other available type of subscriptions we can always go to the link
Offer Details | Microsoft Azure
HOW TO CHECK CURRENT SUBSCRIPTION
Login to Azure Portal and search for subscription , along with current subscription it will show us our existing cost and forecast also.

We can also click on ADD option to what all other subscriptions we are entitled to.

Provide the required values and click on replicate so once replication is completed we can see all the relevant replication tasks as successful.
