Hi,@Suneel Kumar Nadavati . Welcome to Microsoft Q&A. According to my searches, there is no specific end of support date for .NET Framework 4.8 and 4.8.1.
For more details about the Lifecycle Policy for .NET Framework 4.8 and .NET Framework 4.8.1, you can refer to the following documents:
What is the Lifecycle Policy for different versions of .NET Framework?
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