Hi Piyush ,
In a free trial or student subscription, you typically have limited credits or resources available for a specific duration. It's essential to manage your resources efficiently to avoid exhausting your credits prematurely. Deleting resources after completing your use case ensures that you're not consuming resources unnecessarily and helps you stay within the limits of your subscription.
In an organizational or production environment, resource management is crucial for cost optimization and security. While you might have more resources available compared to a trial or student subscription, it's still important to delete resources that are no longer needed to avoid unnecessary costs. Additionally, deleting unused resources reduces the attack surface and helps maintain a clean and manageable environment.
So, whether you're using a free trial, student subscription, or operating in an organizational environment, it's advisable to delete resources after completing your use case to optimize costs, improve resource management, enhance security, and maintain compliance with relevant regulations.
Please check these docs for more ref
https://learn.microsoft.com/en-us/azure/cost-management-billing/manage/cancel-azure-subscription
kindly accept answer , if it helps , Thanks!