A foreign national can apply online at the website http://indiancitizenshiponline.nic/ic_form_public.aspx in order to start the process of acquiring the Indian citizenship and for quick processing by the concerned agencies and the central government.
Instructions before filling up the online application form for Indian Citizenship are as follows:-
(a) Each online application form is meant for one person only.
(b) Furnish information exactly in the manner asked for in the forms, especially the names, address and date of birth.
(c) Once the online application form is submitted by the applicant, further modifications are not allowed. Hence applicants are requested to check and validate the details before submitting the online application form.
(d) Applicants are requested to preserve the MHA File number (generated automatically after final submission of online form) for printing of the online application form and for status tracking.
(e) Recent passport size photograph of the applicant is to be affixed on each form in the prescribed space. Photograph to be affixed on the application should be of square shape of size not less than 35x35 mm (with 80% coverage by face). It should have light colour background (not white) without border with front view of person's head and shoulders showing the full face in the middle of the photograph. It should not be stapled and should not have any signature. Photographs that do not conform to these standards will be rejected and may cause a delay in processing the applications.
(f) Applicant has to submit the duly signed/self-attested hard copy of the computer generated application form, and supporting documents to the High Commission.