Application for Naturalization/US Citizenship Test
Applicants will have to fill up the revised version of N-400 application form which is available online with the United States Citizenship and Immigration Services (USCIS) official website. It is 20-page long document that has to be submitted to the Department of Homeland security, USA after filling. Candidates are advised to read the instructions carefully as to how to fill the form along with details about how to submit the application form (online, by mail, to what addresses, etc.).
The N-400 form is to be submitted with the applicable fees along with the prescribed documents that are to be attached with the form. Application fee is $725.
Candidates are advised to go through the detailed application process for the US citizenship as laid out by the United States Citizenship and Immigration Services (USCIS) official website.