I had submitted my H1B application via dropbox in Chennai, but without NIE letter. After a month, I got my passports back, with a 221g white slip saying that: I should submit an explanation for National Interest Exception, or give reason if I am exempt from Presidential Proclamation 10199, or resubmit passport after PP 10199 is removed.
What should I do next? Do I just walk in to any embassy, when the conditions are met? Do I have to go to same Consulate or can go anywhere in India? Or do I have to book a new appointment altogether?