He should call the National Visa Center and ask for guidance on how to file the Affidavit of Support and you the Immigrant visa Application.
Behar Intl. Counsel 619.234.5962 Kindly be advised that the answer above is only general in nature cannot be construed as legal advice, given that not enough facts are known. It is your responsibility to retain a lawyer to analyze the facts specific to your particular situation in order to give you specific advice. Specific answers will require cognizance of all pertinent facts about your case. Any answers offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship.
Your husband needs to apply for his N-400 here in the US. Once he has been naturalized, he can notify USCIS where and if his I-130 application is still pending of his US citizenship status and than, notify NVC of the same so that they can promptly forward the I-130 application to the US Embassy/Consulate in your native country (India) and have you consular process for your immigrant visa.
You husband must file an N-400 for citizenship. Once he is a citizen he must inform USCIS. At that time a visa for you to come to the US will be immediately available.
973-984-0800. Please be advised my answers to questions does not constitute legal advise and you should not rely on it, due to the fact that we have never met, I have not been aprised of the facts in you case nor have I reviewed any documents.
The steps for naturalization are to be sure you are eligible and apply. Instructions can be found online. However, the best way to get it done quickly and correctly is to hire a lawyer for assistance. Once he becomes a citizen, the petition for you can be immediately upgraded so you can schedule your interview. There are several steps involved to get this accomplished.