Hi Manish,
Please refer the below links
http://www.c-sharpcorner.com/uploadfile/shivprasadk/6-steps-to-implement-dual-security-on-wcf-using-user-name-ssl/default.aspx
http://www.c-sharpcorner.com/uploadfile/dhananjaycoder/transport-level-security-in-wcf/default.aspxhttp://www.c-sharpcorner.com/uploadfile/dhananjaycoder/transport-level-security-in-wcf/default.aspx
http://msdn.microsoft.com/en-us/library/ms789011%28v=VS.90%29.aspx
Thanks