the above petition has been approve

the above petition has been approved. we have sent the original visa petition to the deparment of National visa center (Nvc), 32 Rochester Avenue, Portmouth, NH 03801-2909. The USCIS has completed all action; further inquiries should be direected to the nvc.
The nvc now processes all approved fiance(e) petition. The nvc processing should be complete within two to four weeks after receiving the petition from USCIS. The nvc will create a case record with your petition information. NVC will then send the petition to the U.S. Embassy or consulate where your fiance(e) will be interviewed for his or her visa.
You will receive notification by mail when nvc has sent your petition to the U.S. Embassy or Consulate where your petition has been sent.
You should allow a minimum of 30 days for department of state processing before cantacting the nvc. if you have not received any correspondence from the nvc wuthin 30 days, you may contact the nvc e - mail at NVCINQUIRY@state.gov. You will need to enter the USCIS receipt number from this approval notice in the subject line. In order to receive information about your petition, you wil need to include the petitioner's name and date of birth, and the Applicantis name and date of birth, in the body of the e-mail.