The "One and the Same" certificate for an Italy student visa (and what to do when the Tahsildar refuses)

Name differences across a passport, academic record or sponsor document can create a documentary problem. Some Italian mission checklists expressly request a duly attested and apostilled One and the Same certificate; others do not state that remedy. Use the current checklist for the exact visa or Declaration of Value route and correct a source document where possible.

What the consulates actually require

Bengaluru's checked study-visa checklist requires a duly attested and apostilled One and the Same certificate for specified applicant or sponsor name discrepancies. Mumbai's current Declaration of Value checklist also names this remedy and acceptable issuers. Kolkata's current checklist link exists, but the exact passage was not independently extracted in this review.

Two details in that sentence do most of the damage. First, it covers your sponsor as well as you, so a mismatch in your father's or mother's documents triggers it even when your own papers are perfect. Second, the standard is "any of the other documents" — not just your degree. Your bank statement, your ITR, your insurance policy and your birth certificate all have to agree with your passport.

An affidavit is not the named substitute in the checked DoV routeswill not work

For the checked Bengaluru and Mumbai Declaration of Value routes, the official checklists reject an affidavit or self-declaration as the required One and the Same evidence. Keep that conclusion scoped to those documents and purposes; another route must be checked separately.

Correcting the document is the better first move

Read the consulates' own framing carefully. The Bengaluru family-reunion checklist — the most explicit Italian source on name matching — says discrepancies in spelling must be corrected before submitting the visa application, and offers the One and the Same certificate only where it is not possible to obtain a new corrected version. The certificate is a fallback, not the opening move.

Before seeking the certificate, ask the issuing body whether the mismatched document can be corrected or reissued. Do not assume a correction is possible or faster; obtain the issuer's process and the Italian mission's acceptance in writing where practical.

Who is supposed to issue it

Only one Italian document found names the acceptable Indian issuers. Mumbai's 2026/27 Declaration of Value checklist requires the certificate to be issued by the Tahsildar, the Registrar of Births and Deaths at the Municipal Corporation, or the Gram Panchayat. Every other checklist says only "the competent authority", which is where the trouble begins.

The structural problem nobody tells you about

Kerala publishes a named One and Same Certificate service. Equivalent service names, competent officers, fees and appeal routes were not established from current primary sources for every other state in this review. Absence from a portal search is not proof that no lawful route exists; ask the district/state authority using the exact Italian checklist wording.

The legalisation chain after issuance

Getting the certificate is only the first of three steps, and this is where applicants lose weeks by doing things in the wrong order.

1. Issuance — by the Tahsildar, Municipal Registrar of Births and Deaths, or Gram Panchayat.
2. Attestation by the competent State authority. The Bengaluru family-reunion checklist is the only Italian source that names this positively, and it names the Home Department.
3. Apostille by the Ministry of External Affairs. MEA authenticates through designated State authorities and Regional Authentication Centres first, then legalises on the basis of those signatures. The apostille sticker costs ₹50; submission is only through the outsourced providers MEA lists.

The SDM question, answered honestly

Student groups carry two flatly contradictory claims — that SDM attestation is fine, and that Italy rejects it outright. Both are repeated with total confidence, and applicants act on whichever they read first. The accurate position is narrower than either.

What is documented: Bengaluru and New Delhi reject SDM attestation in their study-certificate sections and require the competent education authority. Mumbai does the same in its DoV instructions. Kolkata's current exact passage remains unverified here. None of those passages was verified as a general rule for every One and the Same certificate.

What follows from that: route the certificate through the State Home Department. It is the only authority the consulates name positively for this document, and the same missions demonstrably reject SDM attestation elsewhere in the same page. But treat "Italy rejects SDM for the One and the Same certificate" as a sensible precaution rather than a quoted rule — because that is what the evidence supports, and you deserve to know which is which.

Time and money

If the official refuses

Your leverage depends entirely on whether the service is notified in your state, which is why the table above matters so much.

• Ask for a written refusal or written identification of the competent office and legal basis.
• Use the state's official service, grievance or information-rights route only after confirming that it covers the requested certificate.
• For Kerala, use the Akshaya service page and the appeal or service-rights information it currently links or identifies.
• For other states, the correct remedy was not independently established in this review; do not copy Kerala or Karnataka procedures across state lines.

The short version

• Triggered by any name mismatch between your passport and any other document — yours or your sponsor's.
• Affidavits and self-declarations are explicitly rejected. So are university letters.
• Try to get the mismatched document corrected first. The certificate is the fallback.
• Mumbai's checked DoV checklist names the Tahsildar, Municipal Registrar of Births and Deaths or Gram Panchayat; another mission or state route must be checked separately.
• Follow the competent mission's attestation wording and MEA's apostille route; a private notary alone does not replace the named official chain.
• Kerala publishes a named service; the equivalent route in the other listed states remains unverified here.
• Start early, but sequence it according to the current checklist and issuing authority's instructions.

Last reviewed against official sources on 9 Oct 2026. Verify fast-moving facts (visa fees, deadlines, FX rate) against the linked sources before relying on them for decisions.