Refer
http://www.codeproject.com/Questions/561187/ToplusreadplusmailplusfromplusGmailplususingplusC
http://www.codeproject.com/Articles/188349/Read-Gmail-Inbox-Message-in-ASP-NET
http://sunichand2000.blogspot.in/2012/04/read-gmail-inbox-using-gmail-feed-in.html
http://sunichand2000.blogspot.in/2012/04/create-inbox-like-gmail-inbox-using.html