Question Summary:
Is it permissible to read nafl salah on behalf of one’s deceased father? what are some other acts one can do on behalf of his deceased parent?

Question Detail:

 
I would like to inquire the following: Is it permissible to read nafl salah on behalf of one's deceased father? So that the father may recieve that reward/blessing.
Also, what are some other acts one can do on behalf of his deceased parent?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
It is permissible to transfer the reward of nafl ŝalāh to one’s deceased father.[1]
The following are a few examples of actions the reward of which may be transferred to his/her father:[2]

And Allah Ta’āla Knows Best
Hisham Dawood
Student, Darul Iftaa
Chicago, USA
Checked and Approved by,
Mufti Ebrahim Desai.
www.daruliftaa.net