As the saying goes treat people the same way you like to be treated … but still due to the fact that kiamat nazdik hai , there will still be a few people who will act whacky … ignore them, move on … you will notice , after a while they will start giving you respectful answers …
Throwing sarcasm and all the negative behaviour is only attention seeking behaviour and the more you respond to them, you are actually feeding them and they keep growing ! so you got to nip em in the bud … everytime you see someone being sarcastic , dont pay any attention … khud hi seeday ho jai gai sub