Issue 1009...
Issue 1009: * If a person does not know a certain word of Surah al-Hamd or Surah, or does not utter it intentionally, or utters one letter for another like, Za for Zad, or changes the inflections, by giving movements of Fathah or Kasrah where not needed, or does not render tashdid properly, his prayer is void.
Issue 1010: If a person has learnt a word which he believes to be correct, and recites it that way in prayers, but comes to know later that he has been reciting it incorrectly, it is not necessary for him to offer the prayers again. Issue 1011: * If a person does not know whether a particular word is to be read with Fathah or Kasrah, of if he does not know whether a particular word has a “seen” or a “swad” in it, he should take pains to learn that. But if he tries to recite in two or…