Be calm and confident, if you have written test then be quick in writing as you will be having just sufficient time to finish it, do an introspection of yourself, know yourself and how to present it , know abt KPMG and why you want to go there. Look for common HR question on net and seek the best answer , and justify them through your life experience, review your articleship period and see what you learn. get updates about recent topics....Wish you all the very best, and please do share how your interview went.