Hi s_kiruba_btech,
From you description, I understand that you want to know a lot about Visual SourceSafe, such as how to install it, requirements to install it, the advantages of this tool and so on.
For your reference, I recommend checking the following links. Hope they are helpful to you.
Visual SourceSafe 2005
http://msdn2.microsoft.com/en-us/vs2005/aa718670.aspx
Installing Visual SourceSafe
http://msdn2.microsoft.com/en-us/library/b8e72409(VS.80).aspx
Requirements for Installing Visual SourceSafe
How to: Install Visual SourceSafe on the Server Machine
How to: Install Visual SourceSafe on a Client Machine
How to: Enable Internet Information Services (IIS)
How to: Set Up Secure Sockets Layer (SSL)
How to: Uninstall Visual SourceSafe
Microsoft Visual SourceSafe
http://en.wikipedia.org/wiki/Visual_SourceSafe
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