Hi Richa,
Yes, Configuring SAP Authentication in BO CMC is a part of the #1
In Addition to that please check the below on SAP BI Side
SAP Logon Ticket is one of the Authentication method. Please check the below url.http://wiki.scn.sap.com/wiki/display/ASJAVA/SAP+Logon+Ticket+-+Introduction
BusinessObjects and SAP - Configure SAP Authentication
check the Configure Profile parmaters in the above url.
For the scenario where you want to use SSO based on tickets with the BusinessObjects Enterprise and the BI System (either from the SAP GUI or via the SAP Enterprise Portal) you need to configure profile parameters in the SAP BI System.
The two profile parameters are:
login/accept_sso2_ticket
login/create_sso2_ticket