Hi Vinod,
you can do the following things for it.
Create a team project
first of all create an account on "visualstudio.com" e.g. imvinod.visualstudio.com
for complete detail for creating team project please visit the below link:
https://msdn.microsoft.com/en-IN/library/ms181477%28v=vs.120%29.aspx[
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Connect to team projects in Team Foundation Server
https://msdn.microsoft.com/en-IN/library/ms181475%28v=vs.120%29.aspx[
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https://msdn.microsoft.com/en-us/library/jj155782%28v=vs.120%29.aspx[
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after you creataed team project on URL e.g.
"imvinod.visualstudio.com"
create users in visualstudio.com and associate the users with projects.
You can decide that which user has to work on which project.
Please let know if the above link link does not helps you. I can provide more details using screenshot and videos for TFS 2010 & 2013.