hi my freinds , i am dv 2005 winner from africa my case number is Af36xxx i don't receive the appointment letter from kcc until now , i email them and they told me my appointment is on 22 august and they send the letter on 28 june but it is not coming until now , what can i do in this case , can i go to embassy directry without the notification letter ? and this can affect my chance to get the visa ? plz help me ,,,,,