Dear Mr. Gupta:
Thank you for your question. We are happy to know that your petition for a CR-1 visa will be received by the U.S. Consulate General in Mumbai for consular processing.
When the priority dates of immigrant visa applications become current, the National Visa Center schedules immigrant visa appointments and sends the files to us for consular processing. At this time, we have received files only for those immigrant visa beneficiaries whose case numbers and appointment slots are listed on our website for November 2012. If you do not find your case number in the list at this time at http://mumbai.usconsulate.gov/interview_appt_schedule.html, please review our website in early November for more updates. In the meantime, please make sure that you have all the documents ready for the interview. We wish you luck for your upcoming interview, and look forward to seeing you at the Consulate soon.