Query to Find Responsibilities assigned to particular user.

SELECT b.responsibility_name NAME
FROM apps.fnd_user_resp_groups a,
apps.fnd_responsibility_vl b,
apps.fnd_user u
WHERE a.user_id = u.user_id
AND u.user_id = (select user_id from FND_USER where user_name=:User_name)
AND a.responsibility_id = b.responsibility_id
AND a.responsibility_application_id = b.application_id
AND SYSDATE BETWEEN a.start_date AND NVL (a.end_date, SYSDATE + 1)
AND b.end_date IS NULL
AND u.end_date IS NULL