You shouldn’t do that as such greetings can only be to Allah. You have to tell them that this is against your beliefs and that you are not allowed in your religion to do that even if the flag is for a Muslim country.
You shouldn’t do that as such greetings can only be to Allah. You have to tell them that this is against your beliefs and that you are not allowed in your religion to do that even if the flag is for a Muslim country.