hi vijay,
i think you are missing this entry once chk in swfvisu :-
Task: TS21500004
APPLICATION: hress_a_ptarq_leavreq_appl
DYNPARAM: LRF_REQUEST_ID=${item.REQUESTID}
AND CHK THE BELOW ALSO:-
Task 21500003
check the visualization parameter:-
APPLICATION hress_a_ptarq_leavreq_appl
DYNPARAM WI_ID=${item.externalId}
after above all register once again the UWL with ur system alais AND CHK THe WORKFLOw NUMBER IN V_T554S_WEB which ur using for ur leave types ..