Hi @Jafar Sathick ,
Did you mean you want to view support policy for SQL Server and .NET?
If I misunderstood, please feel free to let me know.
For SQL Server, please refer to Technical support policy for Microsoft SQL Server, and you can get Service Packs or Cumulative Updates for SQL Server from here.
For .NET Core and ASP.NET support policy, please refer to this support article which might help.
In addition, if you have any questions about .NET, you can open a thread in the dedicated .NET forum so that people there will help you more effectively.
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