Shaykh Abdul Azeez ibn Baaz rahimahullaah in his Majmoo` Fataawaa vol. 13 pg. 258 was asked the following question:
Q: I perform tawaaf (circumambulation of the Ka`bah) occasionally; on behalf of one of my relatives, or my father, or my deceased grandfathers – what is the ruling of such? Also, what is the ruling of completing the Quraan for them? May Allaah reward you with good.
A: It is better to leave off such acts, because of the lack of evidence for that, however it is prescribed that you give in charity on behalf of those beloved to you from your relatives and from other than them if they were Muslims, and to make supplication for them, and the performance of Hajj and Umrah (major and minor pilgrimages) on their behalf.
As for praying on their behalf or making tawaaf (circumambulation of the Ka`bah) on their behalf, and reading the Qur`aan for them – then it is better to leave off such, due to the lack of proof in that regard.
And some of the people of knowledge have allowed such, making an analogy with (the permissibility) of giving in charity and supplication – but it is safer to leave off doing such.
This is because the principle regarding the acts of worship is that we restrict ourselves to the evidences and do not make analogy.
And Allaah is the Granter of Success.