Hi sharatgunnala,
have you double checked:
B. designer.war
go to designer.war\profiles\jbpm.xml
change the guvnor port in <externalloadurl protocol="http" host=....
C. drools-guvnor.war
go to drools-guvnor.war\WEB-INF\classes\preferences.properties
change the port in
designer.url=
formbuilder.url=