The below given is the query to find Concurrent Programs being attached to a particular PL /SQL Package . The below query can be modified to search Concurrent Program based on additional conditions . Uncomment the condition and pass required parameters to get the desired search results

SQL Query: Get concurrent programs attach to a PL/SQL package

SELECT
PROG.CONCURRENT_PROGRAM_ID,
PROG.USER_CONCURRENT_PROGRAM_NAME,
PROG.CONCURRENT_PROGRAM_NAME ,
DECODE(EXE.EXECUTION_METHOD_CODE ,
 'I', 'PL/SQL'
,'P', 'Reports'
,'C', 'SQL Loader'
,'Q', 'SQL Plus'
,'K', 'Java'
,'H', 'OS executable'
,'B' , 'Req. Set Stage'
) EXECUTION_METHOD,
APPL.APPLICATION_NAME ,
PROG.DESCRIPTION ,
EXE.EXECUTABLE_NAME,
EXE.EXECUTION_FILE_NAME
FROM
FND_EXECUTABLES EXE,
FND_APPLICATION_TL APPL,
FND_CONCURRENT_PROGRAMS_VL PROG
WHERE PROG.APPLICATION_ID = APPL.APPLICATION_ID
AND EXE.EXECUTABLE_ID = PROG.EXECUTABLE_ID
AND EXE.EXECUTION_METHOD_CODE = 'I' 
--AND PROG.USER_CONCURRENT_PROGRAM_NAME LIKE '%<ENTER_CONCURRENT_PROGRAM_NAME%>' -- Replace with your Concurrent Program Name
AND EXE.EXECUTION_FILE_NAME LIKE '%<ENTER_PACKAGE_NAME%>' 
--AND APPL.APPLICATION_NAME LIKE '%<ENTER_APPLICATION_NAME%>'