Hi Hemsudha,
Check below link for help.
You can also consider below options:
Purchase the OKP materials for SAP CRM
Buy the SAP Press books on SAP CRM
http://www.sap-press.de (international) http://www.sap-press.com (united states)
Get a subscription to the CRM Expert Online
http://www.crmexpertonline.com
Read the entire CRM wiki for more ideas: