when u r about to attend an interview, it's good to avoid bad impression. Never Never be late 4an interview! If u r unlucky enough 2get caught in a heavy traffic / accident, pls do call up d interviewer 2inform. Never wear slippers! U can have some minty sweets / chewing gum 2avoid bad breath/ piece of meat fiber stuck on2 ur teeth. Although nervous, try 2smile when u talk, this gv d impression that u r pleasant, friendly n confident. If interviewer ask u in english, reply in english ; ask in malay, reply in malay ; try not 2frequently ask d questions 2b repeated as these shows that either u don understand/ not focus / communication failure. Good luck!