Hi, you got a call of personal interview ! Congratulations.
So be ready to go there and show them how you would be looking when you are there with them !!
Think of your dress style which will suit you with the status of your post. Executives and Boss will always like a well dressed subordinates !! So in future also when you are selected you have to always be improving with your dress styles ! Keeping this in mind why dont you begin with a great style and then enter the job to be with great great styles !!
If you dont get my point by now wait and watch for my further advice. OK !! ??