Hello Ashu Sani,
Please, find the supported SSO technologies here:
Please, notice that theSAP ERP Central Component supports the single sign-on (SSO) mechanisms provided by SAP NetWeaver Application Server for ABAP technology.Therefore, you have to consider also the security recommendations and guidelines for user management and authentication that are described here:
http://help.sap.com/erp2005_ehp_07/helpdata/en/4a/112f1a2228101ee10000000a42189b/content.htm
Regards,
Donka Dimitrova