those forms that u have sent to KCC, that same forms will be infront of u with CO on ur interview. so dont required.
AS
Step 4: Your Interview at the U.S. Embassy or Consulate Abroad
After all of your forms have been received and approved by the Kentucky Consular Center (KCC), based on visa availability, you may receive an interview appointment letter indicating the date, time, and location of your visa interview. You will need to be present at the interview, as well as your spouse and children (as applicable) who are applying for a diversity immigrant visa.
Note: The completed original Form(s) DS-230, Form DS-122 and photographs you submitted in Step 2.will be sent by KCC to the U.S. Embassy or Consulate where you will be interviewed.