Rules of Salam & Its reply

-It is mustahab to say salām, but wajib to REPLY, IMMEDIATELY to salam, even if one is reciting salat, such that he who said salam hears it.

-It is wajib to reply to the salam of a child. It is also wajib to reply to the salam of a person who is not mahram to you.

-If someone says salam to a group of people, it is wajib upon all to reply & if any 1 of them replies, it is now mustahab for the rest to reply

-If two people together say salaam to each other: each of them must reply to the salaam of the other.

-If a person says salam more than once, it is enough to reply once. If he says salam again after you have replied: it is wajib to reply again

-It is not wajib to reply to salam in text messages, watsapp, emails etc.

-It is not wajib to reply to a salām that is said mockingly or jokingly.

-If a person says salam to a group of people & a person, not from this group, replies: it remains wajib upon the group to reply.

-It is recommended that a person who is standing should say it to one who is sitting, and the younger of two people should say it to the older person.

- it is mustahab (except in prayers), that the reply to salām should be better than the salām itself. For example, if one says ‘salāmun ‘alaykum’, the reply be ‘salāmun ‘alaykum wa rahmatul lāh’.

-If a person intentionally or due to forgetfulness delays his reply to salām to the extent that were he to reply to it, it would not be considered a reply to that initial salām, then, in the event that he is performing prayers he must not reply, and if he is not performing prayers then replying is not obligatory.

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-It is makrooh to say salam to one who is reciting salat

- If someone says salam to a group of people, one of whom is reciting salat:if someone else replies to the salam, the salat reciter must not reply

-If one says salam to a group of people one of whom is reciting salat: if the salat reciter doubts that he was addressed , he must not reply.?

-If someone says salam to a group of people, one of whom is reciting salat: if the salat reciter doubts that the reply was given, he should reply.

-If a person who is performing prayers does not reply to a salām, then even though he commits a sin his salat is valid.

-If someone says salām to one reciting salat, he must reply  in the same way  salām was said to him. Eg if that person said “salamun alaikum”, the reply must also be ” salamun alaikum