Dear Naveen
the SAP online help is helping here as well:
http://help.sap.com/erp2005_ehp_04/helpdata/en/1c/4d449ace914048bbc489468e811a98/content.htm
With this business functcion you can extend EH&S at many places. Which extension is of interest?
C.B.
PS: after correct activation of business function SPRO need to nave more entries. Here you will find on the top some documentation.