The most authentic opinion is that it is permissible for such a person to offer Umrah, Hajj, give charity and fast mandatory fasts on behalf of a deceased person. It is not permissible to read quran or adhkar on his behalf.
Read moreThis is levels and the worst is kufr but the rest are sins.
Read moreIt is not permissible to recite Quran on behalf of the deceased.
Read moreThis is due to lack of concentration.
Read moreThis is not recommended.
Read moreYou must study intensively, train with a good teacher and ask Allah for help
Read moreThe first three exist and they are sold in the market and they are also translated. The fourth one I am not sure I know it unless you are referring to the tafseer of Al Razi, this is also sold in bookshops
Read moreSome of it is authentic and some is not.
Read moreThis is best and a part of respecting the Quran. But if a person does it without the intention of humilating the Quran, this is permissible.
Read more