Hi Karthik Varma,
Thank You for reaching out to Microsoft Q&A forum.
For a windows containerised applications that requires auto scaling feature, you can use Azure Kubernetes Service (AKS) in Azure.
Azure Container Instances also offers the fastest and simplest way to run windows containers in Azure but lacks in built-in auto scaling. Users often interact with Azure Container Instances through other services. For example, Azure Kubernetes Service can layer orchestration and scale on top of ACI through virtual nodes.
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