Hello, I have already applied for H1B visa and submitted form for visa interview. I was just about to take interview date. Someone told me about having ECNR stamp on my passport. I was not aware of ECR/ECNR stamp before.. My passport was issued in 2007 when I was doing my engineering. I do have ECR stamp on my passport. Passport officer told me that I need to have new passport for ECNR stamping. New passport will come with new number. What should I do? I have already wrote my current passport number in visa interview form.