Covering the body in prayers

796. While offering prayers, a man should cover his private parts even if no one is looking at him, and preference is that he should also cover his body from the navel up to the knee.

797. A woman should cover her entire body while offering prayers, including her head and hair. As a recommended precaution, she should also cover the soles of her feet. It is not necessary for her to cover that part of her face which is washed while performing Wudhu, or the hands up to the wrists, or the upper feet up to the ankles. Nevertheless, in order to ensure that she has covered the obligatory parts of her body adequately, she should also cover a part of the sides of her face as well as lower part of her wrists and the ankles.

798. When a person offers the forgotten Sajdah or tashahhud, he should cover himself in the same manner as in prayers, and the recommended precaution is that he should also cover himself at the time of offering Sajda-e-Sahv.

799. If while offering prayers, a person does not cover his private parts intentionally, or on account of not having cared to know the rule, his prayers is void.

800. If a person realizes while offering prayers, that his private parts are visible, he must immediately cover them, and it is not necessary for him to repeat the prayers. As a measure of precaution, he should not continue performing any part of the prayers, as long as the private parts are visible. If he learns after the completion of prayers that his private parts were visible, his prayers would be deemed valid.

801. If the dress of a person covers his private parts while he stands, but it may not cover them in another posture like in Ruku or Sajdah, his namaz will be valid if he manages to conceal them by some other means. However, the recommended precaution is that he should not pray in such dress.

802. One is allowed to cover oneself at the time of offering prayers with grass, and the leaves of the trees, but as a recommended precaution, these should be used only when no alternative is available.

803. In a state of helplessness, when one has nothing to cover one's private parts, one may, while offering prayers, use mud to conceal one's private parts.

804. If a person does not have anything with which to cover himself while offering prayers, but has a hope that he may get some cover, then it is better to delay offering the prayers. However, if he does not get anything, he should offer prayers discharging his obligation at the end bit of the time. And if he prayed in the prime time, and his excuse did not continue till the end, then as an obligatory precaution, he should pray again.

805. If a person who intends offering prayers does not have anything, not even leaves, or grass, or mud to cover himself, and if he has no hope of acquiring any of them, if there are no people looking, he should pray normally, performing Ruku and sajdah etc. as usual. And if there are people watching, then he should pray in such a way that his private parts remain hidden from the view, by praying while sitting, and performing Ruku and Sajdah by signs.
As an obligatory precaution in namaz, an unclothed person should cover his private parts with the parts of his own body, say, while sitting with the thighs, and while standing with his hands.