Dua of an obedient daughter and obedient son are Accepted and Answered

Dua of a son or daughter obedient to his or her parents

It is well known in the story narrated in hadith of three men who were trapped by a huge stone in a cave. O­ne of them who was kind to his parents asked Allah to remove the stone, and his du’a was answered. [Sahih al-Bukhari 3:36 #472]