Hi swati,
Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.
If you find that your current quotas are insufficient for your workloads, you can request increases directly through the Azure portal. There are two types of Quotas: Total Regional vCPU Quotas and VM-Family vCPU Quotas.
For your scenario, regional vCPU quota is increased. You can find detailed steps on how to increase quota: Increase regional vCPU quotas
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