Hi Archana,
Please refer the below URL for Cleansing Package:
Cleansing Package Builder:
•Create a cleansing package
•Modify a Custom Cleansing Package
•Define Context
•Publish a Cleansing Package
Links:
http://scn.sap.com/docs/DOC-8751
Information Steward 4.0: Create a Cleansing Package:
Links:
http://scn.sap.com/docs/DOC-21046
Hope this will help you as well.
Thanks,
Daya