Qadha of the forgotten Sajdah and Tashahhud
1260. If a person forgets Sajdah and tashahhud, and offers its qadha after prayers, he should fulfil all the conditions of prayers, like his body and dress being Pak, and facing the Qibla, and all various other conditions.
1261. If a person forgets Sajdah a few times, like, if he forgets one Sajdah in the first Rak'at and another in the second Rak'at, after the prayers, he should perform the qadha of each one of them. It is better that, as a precaution he should also perform Sajdatus Sahv for each of them.
1262. If a person forgets one Sajdah and tashahhud, he should, as a precaution, offer two Sajdatus Sahv for each of them.
1263. If a person forgets two Sajdahs from two Rak'ats, it is not necessary to observe the order while giving their qadha.
1264. If between the Salam of prayers and the qadha of Sajdah, a person performs an act which would invalidate the prayers were he to do so purposely or forgetfully, like, turning away from Qibla, the recommended precaution is that, after performing the qadha of Sajdah, he should repeat his prayers.
1265. If a person remembers just after the Salam of prayers that he has forgotten a Sajdah, or tashahhud of the last Rak'at, he should resume to complete the prayers, and should, as an obligatory precaution, perform two Sajdatus Sahv for an additional Salam.
1266. If between the Salam of prayers and the qadha of Sajdah, a person performs an act which makes Sajdatus Sahv obligatory (like, if he talks forgetfully), he should, as an obligatory precaution, first perform qadha of Sajdah and then do two Sajdatus Sahv.
1267. If a person does not know whether he has forgotten a Sajdah or tashahhud in his prayers, he should perform qadha of Sajdah, and also perform two Sajdatus Sahv. And as a recommended precaution, he should perform qadha of tashahhud also.
1268. If a person doubts whether or not he has forgotten to perform Sajdah, or tashahhud, it is not obligatory for him to perform its qadha, nor to perform Sajdatus Sahv.
1269. If a person knows that he has forgotten Sajdah, but doubts whether or not he has performed it before the Ruku of the succeeding Rak'at, the recommended precaution is that he should perform its qadha.
1270. If it is obligatory on a person to perform qadha of Sajdah, and owing to some other act, Sajdatus Sahv also becomes obligatory upon him, he should first perform the qadha of Sajdah after prayers, and then perform Sajdatus Sahv .
1271. If a person doubts whether or not he has given the qadha of the forgotten Sajdah after the prayers, and if the time for the prayers has not lapsed, he should give the qadha. In fact, even if the time of namaz has lapsed, he should , as an obligatory precaution, give the qadha.