Hi Namita,
SAP SRM has provided a standard report HRALXSYNC in order to synchronize business partner of the person with business partner of the organization unit.
To reslove this issue follow the steps below:
1) Log in to SRM system
2) Go to SA38 and execute the report HRALXSYNC
You can also go through the follwing links for more information:
http://wiki.scn.sap.com/wiki/display/SRM/HRALXSYNC+Program+in+SRM+overview
http://wiki.scn.sap.com/wiki/display/ERPHCM/How+to+schedule+HRALXSYNC+as+a+background+job
Thanks,
Benazir