Answer: 1. On meeting a Muslim, one should start by greeting him with peace saying: "Assalāmu ‘alaykum wa rahmatullāhi wa barakātuh" (may the peace, mercy, and blessings of Allah be upon you). It must be the greeting of peace and signaling with the hand alone is not enough.
2. Greeting others while having a smile on the face
3. Shaking hands with the right hand
4. When greeted by someone, one should return the greeting with a better or similar one.
5. On meeting a disbeliever, one should not start greeting him. If he is greeted, then he returns it with its like.
7. The young should greet the old, the riding should greet the walking, the walking should greet the sitting, and the few should greet the bigger group