This is authentic. It is noteworthy to say that the translation is wrong and it is not “after the obligatory prayers” as this is an innovation. The correct translation is: “at the end of obligatory prayers”! This means before Salam.
Read moreIf he says it but in a low voice, the prayer is valid but it must be brought to his attention to stop such a practice.
Read moreYes no problem. Since it is last third of night you can ask plenty of duaas and this is the time of seeking forgiveness.
Read moreYou must pray before you sit even if the khutba was ongoing.
Read moreNo, it is not permissible and it doesn’t count. They do this in prayer, their prayer is invalid.
Read moreYes, you can
Read moreIt is not obligatory to do the sajdah, so you can skip it. If you want to do it, make the sajdah right away.
Read moreYes. Kindly refer to the following link(s): https://www.youtube.com/watch?v=k1j-nm9EW84
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