Hi Anand Shenoy,
Please go through the online help for the Commitment item Master record.
http://help.sap.com/saphelp_erp60_sp/helpdata/en/f0/ca5716260211d28a4300
00e829fbbd/frameset.htm
'Master Data -> Account Assignment Elements -> Commitment Item ->
Processing Commitment Items -> Maintaining Commitment Items '
Look for on-line documentation for "POTY" field:
Thanks.
Best Regards,
Simon