before i use to see this while adding a new item in VB.NET:

But now from yesterday things are disappeared and i am unable to see them. What i can see is this:

Also when i right click on my project and add Windows Form it shows the same…. the above one
I got the answer 🙂
Close all instance of Visual Studio. Open visual studio command prompt and type,
Press Enter. Let the process be complete and now open visual studio. You will get all missing templates under Visual Studio installed templates.