Conveying rewards to the deceased
Sayyidina Abdullah bin ‘Amr �, reported that his grandfather, ‘Aas bin Wa'il (who was a mushrik) on his deathbed made a will that one hundred slaves be freed on his behalf. One of his sons, Hisham, freed fifty; and ‘Amr wanted to free the other fifty, but decided to ask Allah's Messenger first. When he asked the Holy Prophet of Allah, he replied, "Had he been a Muslim, your freeing slaves, giving sadaqah, or performing hajj on his behalf would all have reached [in rewards] and benefited him" (but because he died a kafir (non-believer) these acts would not benefit him) (Mishkaat, Vol. 1, page 266). This saying of the Messenger of Allah elaborates that reward can only be conveyed to deceased who dies as a Muslim. Someone who dies a non-Muslim would be excluded from getting the reward of good deeds performed by their Muslim children.
Conveying rewards to the deceased by the Holy Prophet ﷺ When slaughtering an animal for sacrifice the Messenger of Allah ﷺprayed to the Almighty, “O Allah, accept this from my family and me and from all amongst my ummah” (Muslim, Vol. 2, page 54). This is a clear submission for conveying the reward of a good deed to all of us.
Conveying the reward of good deeds causes forgiveness of sins of the deceased Sayyidina Abu Huraira � narrates that a man said to the Holy Prophet of Allah, “O Messenger of Allah, my father has died. He has left behind assets and money but