I dont know whether one can really be robbed in an ATM centre!!! But if it ever happens, then I have some tips to give:
If you are ever forced by a thief or someone to take money out of an ATM machine, enter your pin number reversed. So if your number is 1254 mark 4521. The ATM machine will give you your money, but will automatically recognize this as a plea for help and will alert the police unknown to the thief. This option is in all ATM machines, but not many people know this.
P.S: Just read it somewhere and posted it here thinking it will be of some help. I havent wever tried it.
Darr lagta hai yaar...agar bina kisi chor ke try kiya and police pakad kar le gayee to??? :P