Like Chris_NewZealand asked, are you sure D:\Sunil_P\ is a physical location on your computer?
One way to find the exact syntax of an existing location on your computer is to locate the folder/location you want to store your SAS data set(s) on your computer. Right click on a file that already exists in this folder. Then, click on "Properties." Copy the path that is listed after "Location:". Paste this path between the quotes of your libname statement, replacing "D:\Sunil_P\"
Hope that helps.
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