Dear stan,
i an geeting the below logs after enabling debug for sso,
2015-10-06 14:30:58
checking start uri match, start uri: '/newEmsg/Pages/Login.aspx', request: '/newEmsg/Pages/Login.aspx'
2015-10-06 14:30:58
Websso form-based authentication for user 'abc' using config '/Common/E-messaging_Form-SSo'
2015-10-06 14:31:03
metadata len 1130
2015-10-06 14:31:03
checking start uri match, start uri: '/newEmsg/Pages/Login.aspx', request: '/newEmsg/Pages/Login.aspx'
2015-10-06 14:31:03
Websso form-based authentication for user 'abc' using config '/Common/E-messaging_Form-SSo'
2015-10-06 14:31:03
metadata len 329.
And on the browser i am getting an error "This webpage has a redirect loop"
Thanks for your support.